Tax Deduction Finder
When to Use This Skill
- User is preparing for tax season and wants to maximize deductions
- User is a freelancer or solopreneur unsure what they can deduct
- User wants a checklist of commonly missed deductions for their industry
- User needs to know documentation requirements for specific deductions
- User recently started a business and does not know what qualifies as a business expense
Core Principle
EVERY LEGITIMATE DEDUCTION MISSED IS MONEY LEFT ON THE TABLE — BUT EVERY UNSUPPORTED DEDUCTION IS AN AUDIT RISK. DOCUMENT EVERYTHING.
Tax Disclaimer
IMPORTANT: This skill provides general educational information about common business deductions. It does not constitute tax advice. Tax laws vary by jurisdiction, change frequently, and depend on individual circumstances. Always consult a qualified CPA or tax professional before claiming deductions. The information here is based on general US federal tax principles and may not apply to your specific situation.
Workflow
Phase 1: Profile the Business
- Determine the business type and entity structure:
- Sole proprietor / Single-member LLC (Schedule C)
- Partnership / Multi-member LLC (Form 1065)
- S-Corporation (Form 1120-S)
- C-Corporation (Form 1120)
- Identify the industry/niche (freelancer, e-commerce, consultant, content creator, etc.)
- Ask if the user works from home (home office deduction eligibility)
- Ask if the user uses a personal vehicle for business
Phase 2: Generate Deduction Checklist
- Present the universal deduction checklist (applies to most businesses):
Commonly Missed Deductions — Universal:
| Category |
Examples |
Often Missed? |
| Home Office |
Dedicated workspace, percentage of rent/mortgage, utilities, internet |
YES — many skip this |
| Vehicle/Mileage |
Business miles at IRS standard rate, parking, tolls |
YES — fail to track miles |
| Health Insurance |
Self-employed health insurance premium deduction (Schedule 1) |
YES — sole proprietors miss this |
| Retirement Contributions |
SEP-IRA, Solo 401(k), SIMPLE IRA |
YES — huge tax savings ignored |
| Self-Employment Tax |
Deduct 50% of SE tax on Schedule 1 |
YES — automatic but often unknown |
| Professional Development |
Courses, certifications, conferences, books related to business |
YES |
| Software & Subscriptions |
SaaS tools, design apps, project management, accounting software |
Sometimes |
| Business Insurance |
Liability, E&O, professional indemnity, cyber insurance |
Sometimes |
| Professional Services |
CPA fees, legal fees, bookkeeping, business coaching |
Sometimes |
| Bank & Processing Fees |
Stripe fees, PayPal fees, merchant account fees, business bank fees |
YES |
| Marketing & Advertising |
Ads, sponsorships, business cards, website hosting, domain names |
Rarely missed |
| Office Supplies & Equipment |
Computers, desks, chairs, printers (Section 179 for big items) |
Sometimes |
| Travel |
Business flights, hotels, 50% of business meals |
Sometimes |
| Phone & Internet |
Business percentage of personal phone/internet bill |
YES |
| Startup Costs |
Up to $5,000 in first-year startup expenses (if under $50K total) |
YES |
| Bad Debt |
Invoices you were unable to collect on |
YES |
| Continuing Education |
Courses and training that maintain or improve current skills |
Sometimes |
- Add industry-specific deductions based on the user's business type
Phase 3: Industry-Specific Deductions
- Present relevant additions:
Content Creators (YouTube, Podcast, Social Media):
- Camera, lighting, microphone, and audio equipment
- Editing software (Final Cut Pro, Adobe Premiere, Descript)
- Props, backgrounds, and set materials
- Studio or recording space (rent or home office portion)
- Thumbnail design tools or freelance designer fees
- Products purchased for review (if required for content)
- Music licensing fees (Epidemic Sound, Artlist)
E-Commerce Sellers:
- Cost of goods sold (materials, manufacturing, wholesale)
- Packaging and shipping supplies
- Product photography
- Inventory storage (warehouse, self-storage unit)
- Returns and refunds (adjusts revenue, not a deduction per se)
- Product samples
- Trade show and market booth fees
Freelancers & Consultants:
- Coworking space membership
- Client entertainment (50% of meals with documented business purpose)
- Portfolio website hosting and design
- Professional association memberships
- Certification and license renewal fees
- Gifts to clients (up to $25 per person per year)
Coaches & Course Creators:
- Course platform fees (Teachable, Kajabi, Thinkific)
- Webinar software (Zoom Pro, Crowdcast)
- Community platform costs (Circle, Slack paid plans)
- Student materials and workbooks
- Certification program costs (if required for coaching)
Phase 4: Documentation Requirements
- For each deduction category, specify what records to keep:
| Deduction |
Required Documentation |
| Home Office |
Square footage of office vs. total home, lease/mortgage statements, utility bills |
| Vehicle/Mileage |
Mileage log (date, destination, business purpose, miles), gas receipts if using actual expense method |
| Meals |
Receipt + note of who attended and business purpose discussed |
| Travel |
Itinerary, receipts, business purpose documentation |
| Equipment (>$2,500) |
Purchase receipt, date placed in service, business use percentage |
| Professional Development |
Course receipt, description of how it relates to current business |
| All expenses |
Receipt or bank/credit card statement showing amount, date, and vendor |
- CRITICAL: Recommend the user keep receipts for a minimum of 3 years (IRS statute of limitations), ideally 7 years
Phase 5: Deliver
- Output the personalized deduction checklist
- Output documentation requirements
- Provide estimated tax savings range if the user shares their tax bracket
- Remind them to consult a CPA
Example 1: Freelance Graphic Designer (Sole Proprietor)
Profile: Solo graphic designer, works from home, earns $85,000/year, uses personal car for client meetings, pays for own health insurance.
Your Personalized Deduction Checklist:
TAX DEDUCTION CHECKLIST
Business: Freelance Graphic Design (Schedule C)
Tax Year: 2025
COMMONLY MISSED (check these first):
[x] Home Office Deduction
- Office: 150 sq ft of 1,200 sq ft apartment = 12.5%
- Simplified method: $5/sq ft x 150 = $750
- Regular method: 12.5% of rent ($1,800/mo x 12 = $21,600)
= $2,700 + 12.5% of utilities
- USE REGULAR METHOD: saves ~$1,950 more
[x] Self-Employed Health Insurance
- Monthly premium: $420/mo = $5,040/year
- Deducted on Schedule 1 (above-the-line, reduces AGI)
- This is NOT an itemized deduction — it reduces taxable income directly
[x] Retirement: SEP-IRA Contribution
- Can contribute up to 25% of net self-employment income
- On $85,000 net income: up to ~$17,700
- Deadline: tax filing deadline (including extensions)
[x] Vehicle Mileage
- 2,400 business miles x $0.70/mile (2025 rate) = $1,680
- Keep a mileage log app (MileIQ, Everlance, or manual)
[x] Self-Employment Tax Deduction
- Automatic: deduct 50% of SE tax on Schedule 1
- On $85K: SE tax ~$12,010, deduction = ~$6,005
[x] Phone & Internet (business percentage)
- Phone: 60% business use x $85/mo x 12 = $612
- Internet: 50% business use x $70/mo x 12 = $420
STANDARD DEDUCTIONS:
[x] Software: Adobe CC ($55/mo), Figma ($15/mo), Notion ($8/mo)
= $936/year
[x] Hardware: MacBook Pro purchased March 2025 ($2,499)
— Section 179: deduct full amount in year of purchase
[x] Professional development: Design conference ($800),
online course ($297) = $1,097
[x] Marketing: Portfolio hosting ($200), domain ($15),
LinkedIn Premium ($360) = $575
[x] Bank & processing fees: Stripe fees on invoices
~2.9% of $85,000 = $2,465
[x] Professional services: Bookkeeper ($150/mo x 12) = $1,800
[x] Office supplies: Paper, ink, external drive = ~$350
ESTIMATED TOTAL DEDUCTIONS: $41,329
AT 22% TAX BRACKET: ~$9,092 in federal tax savings
AT 15.3% SE TAX: additional ~$6,323 in SE tax savings
Example 2: E-Commerce Candle Business (Single-Member LLC)
Profile: Handmade candle business, works from home studio, $48,000 revenue, attends 4 craft fairs per year.
Your Personalized Deduction Checklist:
TAX DEDUCTION CHECKLIST
Business: Ember & Sage Candle Co. (Schedule C / Single-Member LLC)
Tax Year: 2025
COMMONLY MISSED:
[x] Home Office (Studio Space)
- Dedicated studio: 200 sq ft of 1,500 sq ft home = 13.3%
- Regular method: 13.3% of mortgage interest, property tax,
utilities, insurance, repairs
- Estimated deduction: $3,200
[x] Startup Costs (if business started this year)
- Can deduct up to $5,000 in startup costs immediately
- Includes: market research, branding, initial inventory setup,
legal fees for LLC formation
[x] Vehicle Mileage
- Post office runs, supplier pickups, craft fair travel
- Estimated 1,800 miles x $0.70 = $1,260
[x] Phone & Internet (40% business use)
- $65/mo phone + $70/mo internet = $648/year
COST OF GOODS SOLD:
[x] Wax, fragrance oils, wicks, dyes = $8,400
[x] Jars, lids, labels = $3,200
[x] Packaging (boxes, tissue, stickers) = $1,400
[x] Shipping supplies = $1,100
Total COGS: $14,100
OPERATING EXPENSES:
[x] Shopify subscription ($79/mo x 12) = $948
[x] Canva Pro ($13/mo x 12) = $156
[x] Email marketing (Mailchimp, $20/mo x 12) = $240
[x] Instagram/Facebook ads = $2,400
[x] Product photography session = $500
[x] Craft fair booth fees (4 x $200) = $800
[x] Craft fair travel (hotels, meals at 50%) = $1,100
[x] Product liability insurance = $500/year
[x] Business bank account fee ($10/mo x 12) = $120
[x] Payment processing fees (Stripe/Shopify ~2.9%) = $1,392
[x] LLC annual filing fee = $50
[x] Bookkeeper ($100/mo x 12) = $1,200
ESTIMATED TOTAL DEDUCTIONS: $29,564
ON $48,000 REVENUE: taxable income reduced to ~$18,436
Recovery and Fallback
- If the user does not know their entity type, assume sole proprietor (Schedule C) unless they mention incorporating — this covers the majority of solopreneurs
- If the user is unsure whether something qualifies as a deduction, apply the "ordinary and necessary" test: Is it common in your industry? Is it helpful for your business? If both yes, it is likely deductible — but recommend confirming with a CPA
- If the user has no receipt for an expense, they can use bank or credit card statements as backup documentation — but original receipts are stronger
- If the user has not been tracking deductions all year, help them reconstruct from bank statements by categorizing the last 12 months of transactions
Constraints
- Always include the tax disclaimer — this is educational, not tax advice
- Do not calculate exact tax liability — provide estimates as ranges and recommend a CPA for exact numbers
- Do not advise on audit defense strategies — that requires legal expertise
- Do not recommend aggressive or questionable deductions (100% personal vehicle as business, luxury items without clear business purpose)
- IRS mileage rates change annually — note that the user should verify the current rate
- Do not provide state-specific tax guidance — state deduction rules vary significantly
- Always recommend separating personal and business finances (dedicated business bank account)
- Retirement contribution limits change annually — recommend verifying current limits with the IRS or a CPA
1---2name: tax-deduction-finder3description: Identifies commonly missed business tax deductions by industry and entity type with category lists and documentation requirements. Use this skill when a freelancer or small business owner is preparing for tax season, wants to reduce their tax bill, or needs to know what business expenses are deductible.4---56# Tax Deduction Finder78## When to Use This Skill910- User is preparing for tax season and wants to maximize deductions11- User is a freelancer or solopreneur unsure what they can deduct12- User wants a checklist of commonly missed deductions for their industry13- User needs to know documentation requirements for specific deductions14- User recently started a business and does not know what qualifies as a business expense1516## Core Principle1718EVERY LEGITIMATE DEDUCTION MISSED IS MONEY LEFT ON THE TABLE — BUT EVERY UNSUPPORTED DEDUCTION IS AN AUDIT RISK. DOCUMENT EVERYTHING.1920## Tax Disclaimer2122**IMPORTANT: This skill provides general educational information about common business deductions. It does not constitute tax advice. Tax laws vary by jurisdiction, change frequently, and depend on individual circumstances. Always consult a qualified CPA or tax professional before claiming deductions. The information here is based on general US federal tax principles and may not apply to your specific situation.**2324## Workflow2526### Phase 1: Profile the Business27281. Determine the business type and entity structure:29 - Sole proprietor / Single-member LLC (Schedule C)30 - Partnership / Multi-member LLC (Form 1065)31 - S-Corporation (Form 1120-S)32 - C-Corporation (Form 1120)332. Identify the industry/niche (freelancer, e-commerce, consultant, content creator, etc.)343. Ask if the user works from home (home office deduction eligibility)354. Ask if the user uses a personal vehicle for business3637### Phase 2: Generate Deduction Checklist38395. Present the universal deduction checklist (applies to most businesses):4041**Commonly Missed Deductions — Universal:**4243| Category | Examples | Often Missed? |44|----------|----------|---------------|45| Home Office | Dedicated workspace, percentage of rent/mortgage, utilities, internet | YES — many skip this |46| Vehicle/Mileage | Business miles at IRS standard rate, parking, tolls | YES — fail to track miles |47| Health Insurance | Self-employed health insurance premium deduction (Schedule 1) | YES — sole proprietors miss this |48| Retirement Contributions | SEP-IRA, Solo 401(k), SIMPLE IRA | YES — huge tax savings ignored |49| Self-Employment Tax | Deduct 50% of SE tax on Schedule 1 | YES — automatic but often unknown |50| Professional Development | Courses, certifications, conferences, books related to business | YES |51| Software & Subscriptions | SaaS tools, design apps, project management, accounting software | Sometimes |52| Business Insurance | Liability, E&O, professional indemnity, cyber insurance | Sometimes |53| Professional Services | CPA fees, legal fees, bookkeeping, business coaching | Sometimes |54| Bank & Processing Fees | Stripe fees, PayPal fees, merchant account fees, business bank fees | YES |55| Marketing & Advertising | Ads, sponsorships, business cards, website hosting, domain names | Rarely missed |56| Office Supplies & Equipment | Computers, desks, chairs, printers (Section 179 for big items) | Sometimes |57| Travel | Business flights, hotels, 50% of business meals | Sometimes |58| Phone & Internet | Business percentage of personal phone/internet bill | YES |59| Startup Costs | Up to $5,000 in first-year startup expenses (if under $50K total) | YES |60| Bad Debt | Invoices you were unable to collect on | YES |61| Continuing Education | Courses and training that maintain or improve current skills | Sometimes |62636. Add industry-specific deductions based on the user's business type6465### Phase 3: Industry-Specific Deductions66677. Present relevant additions:6869**Content Creators (YouTube, Podcast, Social Media):**70- Camera, lighting, microphone, and audio equipment71- Editing software (Final Cut Pro, Adobe Premiere, Descript)72- Props, backgrounds, and set materials73- Studio or recording space (rent or home office portion)74- Thumbnail design tools or freelance designer fees75- Products purchased for review (if required for content)76- Music licensing fees (Epidemic Sound, Artlist)7778**E-Commerce Sellers:**79- Cost of goods sold (materials, manufacturing, wholesale)80- Packaging and shipping supplies81- Product photography82- Inventory storage (warehouse, self-storage unit)83- Returns and refunds (adjusts revenue, not a deduction per se)84- Product samples85- Trade show and market booth fees8687**Freelancers & Consultants:**88- Coworking space membership89- Client entertainment (50% of meals with documented business purpose)90- Portfolio website hosting and design91- Professional association memberships92- Certification and license renewal fees93- Gifts to clients (up to $25 per person per year)9495**Coaches & Course Creators:**96- Course platform fees (Teachable, Kajabi, Thinkific)97- Webinar software (Zoom Pro, Crowdcast)98- Community platform costs (Circle, Slack paid plans)99- Student materials and workbooks100- Certification program costs (if required for coaching)101102### Phase 4: Documentation Requirements1031048. For each deduction category, specify what records to keep:105106| Deduction | Required Documentation |107|-----------|----------------------|108| Home Office | Square footage of office vs. total home, lease/mortgage statements, utility bills |109| Vehicle/Mileage | Mileage log (date, destination, business purpose, miles), gas receipts if using actual expense method |110| Meals | Receipt + note of who attended and business purpose discussed |111| Travel | Itinerary, receipts, business purpose documentation |112| Equipment (>$2,500) | Purchase receipt, date placed in service, business use percentage |113| Professional Development | Course receipt, description of how it relates to current business |114| All expenses | Receipt or bank/credit card statement showing amount, date, and vendor |1151169. **CRITICAL: Recommend the user keep receipts for a minimum of 3 years (IRS statute of limitations), ideally 7 years**117118### Phase 5: Deliver11912010. Output the personalized deduction checklist12111. Output documentation requirements12212. Provide estimated tax savings range if the user shares their tax bracket12313. Remind them to consult a CPA124125## Example 1: Freelance Graphic Designer (Sole Proprietor)126127**Profile:** Solo graphic designer, works from home, earns $85,000/year, uses personal car for client meetings, pays for own health insurance.128129**Your Personalized Deduction Checklist:**130131```132TAX DEDUCTION CHECKLIST133Business: Freelance Graphic Design (Schedule C)134Tax Year: 2025135136COMMONLY MISSED (check these first):137[x] Home Office Deduction138 - Office: 150 sq ft of 1,200 sq ft apartment = 12.5%139 - Simplified method: $5/sq ft x 150 = $750140 - Regular method: 12.5% of rent ($1,800/mo x 12 = $21,600)141 = $2,700 + 12.5% of utilities142 - USE REGULAR METHOD: saves ~$1,950 more143144[x] Self-Employed Health Insurance145 - Monthly premium: $420/mo = $5,040/year146 - Deducted on Schedule 1 (above-the-line, reduces AGI)147 - This is NOT an itemized deduction — it reduces taxable income directly148149[x] Retirement: SEP-IRA Contribution150 - Can contribute up to 25% of net self-employment income151 - On $85,000 net income: up to ~$17,700152 - Deadline: tax filing deadline (including extensions)153154[x] Vehicle Mileage155 - 2,400 business miles x $0.70/mile (2025 rate) = $1,680156 - Keep a mileage log app (MileIQ, Everlance, or manual)157158[x] Self-Employment Tax Deduction159 - Automatic: deduct 50% of SE tax on Schedule 1160 - On $85K: SE tax ~$12,010, deduction = ~$6,005161162[x] Phone & Internet (business percentage)163 - Phone: 60% business use x $85/mo x 12 = $612164 - Internet: 50% business use x $70/mo x 12 = $420165166STANDARD DEDUCTIONS:167[x] Software: Adobe CC ($55/mo), Figma ($15/mo), Notion ($8/mo)168 = $936/year169[x] Hardware: MacBook Pro purchased March 2025 ($2,499)170 — Section 179: deduct full amount in year of purchase171[x] Professional development: Design conference ($800),172 online course ($297) = $1,097173[x] Marketing: Portfolio hosting ($200), domain ($15),174 LinkedIn Premium ($360) = $575175[x] Bank & processing fees: Stripe fees on invoices176 ~2.9% of $85,000 = $2,465177[x] Professional services: Bookkeeper ($150/mo x 12) = $1,800178[x] Office supplies: Paper, ink, external drive = ~$350179180ESTIMATED TOTAL DEDUCTIONS: $41,329181AT 22% TAX BRACKET: ~$9,092 in federal tax savings182AT 15.3% SE TAX: additional ~$6,323 in SE tax savings183```184185## Example 2: E-Commerce Candle Business (Single-Member LLC)186187**Profile:** Handmade candle business, works from home studio, $48,000 revenue, attends 4 craft fairs per year.188189**Your Personalized Deduction Checklist:**190191```192TAX DEDUCTION CHECKLIST193Business: Ember & Sage Candle Co. (Schedule C / Single-Member LLC)194Tax Year: 2025195196COMMONLY MISSED:197[x] Home Office (Studio Space)198 - Dedicated studio: 200 sq ft of 1,500 sq ft home = 13.3%199 - Regular method: 13.3% of mortgage interest, property tax,200 utilities, insurance, repairs201 - Estimated deduction: $3,200202203[x] Startup Costs (if business started this year)204 - Can deduct up to $5,000 in startup costs immediately205 - Includes: market research, branding, initial inventory setup,206 legal fees for LLC formation207208[x] Vehicle Mileage209 - Post office runs, supplier pickups, craft fair travel210 - Estimated 1,800 miles x $0.70 = $1,260211212[x] Phone & Internet (40% business use)213 - $65/mo phone + $70/mo internet = $648/year214215COST OF GOODS SOLD:216[x] Wax, fragrance oils, wicks, dyes = $8,400217[x] Jars, lids, labels = $3,200218[x] Packaging (boxes, tissue, stickers) = $1,400219[x] Shipping supplies = $1,100220 Total COGS: $14,100221222OPERATING EXPENSES:223[x] Shopify subscription ($79/mo x 12) = $948224[x] Canva Pro ($13/mo x 12) = $156225[x] Email marketing (Mailchimp, $20/mo x 12) = $240226[x] Instagram/Facebook ads = $2,400227[x] Product photography session = $500228[x] Craft fair booth fees (4 x $200) = $800229[x] Craft fair travel (hotels, meals at 50%) = $1,100230[x] Product liability insurance = $500/year231[x] Business bank account fee ($10/mo x 12) = $120232[x] Payment processing fees (Stripe/Shopify ~2.9%) = $1,392233[x] LLC annual filing fee = $50234[x] Bookkeeper ($100/mo x 12) = $1,200235236ESTIMATED TOTAL DEDUCTIONS: $29,564237ON $48,000 REVENUE: taxable income reduced to ~$18,436238```239240## Recovery and Fallback241242- If the user does not know their entity type, assume sole proprietor (Schedule C) unless they mention incorporating — this covers the majority of solopreneurs243- If the user is unsure whether something qualifies as a deduction, apply the "ordinary and necessary" test: Is it common in your industry? Is it helpful for your business? If both yes, it is likely deductible — but recommend confirming with a CPA244- If the user has no receipt for an expense, they can use bank or credit card statements as backup documentation — but original receipts are stronger245- If the user has not been tracking deductions all year, help them reconstruct from bank statements by categorizing the last 12 months of transactions246247## Constraints248249- **Always include the tax disclaimer** — this is educational, not tax advice250- Do not calculate exact tax liability — provide estimates as ranges and recommend a CPA for exact numbers251- Do not advise on audit defense strategies — that requires legal expertise252- Do not recommend aggressive or questionable deductions (100% personal vehicle as business, luxury items without clear business purpose)253- IRS mileage rates change annually — note that the user should verify the current rate254- Do not provide state-specific tax guidance — state deduction rules vary significantly255- Always recommend separating personal and business finances (dedicated business bank account)256- Retirement contribution limits change annually — recommend verifying current limits with the IRS or a CPA