MarginNookSELLER DECISIONS, MADE CLEAR

FOR SMALL PRODUCT SELLERS

A good sale should
leave something
behind.

Before you discount, cover shipping, or open another store, see what the decision does to your numbers.

Compare a promotion →

Practical examples. Clear assumptions. No profit promises.

Three decisions worth getting right

Browse the guides →

Contribution is a starting point.

It is what remains after the platform fees and direct costs included in a scenario. It is not your payout, net profit, or after-tax income. Every guide shows what is included—and what still needs your attention.

Read our calculation and editorial method →