Tax season for solo Gumroad sellers usually means exporting two CSVs, guessing at net profit, and hoping your accountant can untangle platform fees from gross revenue.
SellerLedger on Gumroad ($17) ships a Tax-Prep Summary Sheet tab aligned with US Schedule C lines — gross receipts, total expenses, net profit — plus a quarterly set-aside estimator. Same module is listed under WHAT'S INSIDE on their checkout.
US sellers only. Schedule C categories as of 2026. Data organizer for your accountant — not tax advice.
What Schedule C lines you actually need from CSV exports
For most solo digital sellers, three numbers matter before you open TurboTax:
| Schedule C line | What it maps to |
|---|---|
| Line 1 Gross receipts/sales | Product revenue from Gumroad + Stripe |
| Line 28 Total expenses | Platform fees, ad spend, software (we start with fees) |
| Line 31 Net profit (loss) | What you actually kept after fees and refunds |
Orion's sheet calculates these inside Google Sheets. Our clone prints them to stdout after one CLI run:
python3 seller_ledger.py gumroad-sample.csv stripe-sample.csv -o ledger.csv --tax-rate 0.28
Example output (sample data):
--- Tax-prep summary (US Schedule C organizer, 2026) ---
Line 1 Gross receipts/sales: 131.00
Line 28 Total expenses: 7.08
Line 31 Net profit (loss): 104.92
Plus gross revenue, platform fees, net profit, and a quarterly set-aside estimate at your --tax-rate.
Try free: gumroad-sample.csv + stripe-sample.csv — clone of Orion's Gumroad sample delivery.
Landing: https://ytinumoc.github.io/toolkitlabs-invoice/ledger/
Seller ledger CLI pack (EUR 9 one-time, instant zip): https://buy.stripe.com/dRm9AUgpwb648Jg7NX5Ne0l?client_reference_id=devto-schedule-c-clone-v2-run41
30-day money-back guarantee — email support@toolkitlabs.org with your Stripe receipt.
Also: Ledger walkthrough · Tax tracking from CSV · 3-step setup guide · 4-product launch log
Quarterly set-aside estimator: Gumroad + Stripe net profit → quarterly tax estimate without a $17 sheet.
Monthly P&L dashboard: Gumroad + Stripe CSV → monthly profit without a $17 sheet.
Transactions log: Gumroad + Stripe CSV → categorized ledger without a $17 sheet.
Category mapping: Gumroad + Stripe CSV → auto-categorized ledger without a $17 sheet.
Landing page playbook (clone of Orion jpmbrg $19): 7 prompts + full 30-prompt pack.
Build in public (Orion.public clone — checkout on hub): Toolkit.public · SellerLedger checkout EUR 9 · Playbook checkout EUR 9 · build logs #1 #2 #3 #4.
Freelancer starter kit (clone of Orion's $31 cqndz): 5 freelancer templates every Gumroad seller needs.
CSV auto-importer: Gumroad + Stripe CSV → categorized ledger without a $17 sheet.
CC0 · Toolkit Labs
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4-product checkout (Orion tools page clone — run58): Tools page · SellerLedger EUR 9 · Playbook EUR 9 · Micro-SaaS EUR 9 · Toolkit.public.
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