MarginLog

Built for resellers

Stop guessing what
you actually made

Log every sale, track true profit after fees, and finally know your numbers — across every resale platform.

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Net profit this month

$1,284

↑ 23%

Monthly profit · last 12 months

Poshmark$542
eBay$418
Mercari$324

True profit tracking

Real net profit after platform fees, COGS, and shipping. Fee tables for eBay, Poshmark, Mercari, Depop, Etsy, and more — kept current.

Analytics that matter

Profit by platform, category, and month in one dashboard. Know exactly where your margin comes from.

Import any CSV

Upload a CSV from any platform — column names are detected automatically, no reformatting needed. Export for tax season in one click.

Built for how resellers work

Split a haul purchase across items, log bundles with proportional revenue, and track returns that drop out of your totals automatically.

Sourcing trip ROI

Group sales by sourcing trip and see real net ROI after the cost of the trip itself. Know if Goodwill Tuesday was actually worth it.

Business expense tracker

Log shipping supplies, platform subscriptions, mileage, and more. Organized by Schedule C category so tax season is less painful.

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