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MarginLog

I built a free profit tracker for resellers after realizing

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Self-Reported Revenue

The creator of MarginLog has reported monthly revenues of $0.

This figure was last updated May 20, 2026, and has not been independently verified.

About

The problem hit me when I was flipping on Poshmark and eBay on the side. I'd sell something for $45 and feel good about it. Then I'd actually sit down and do the math — Poshmark's 20% cut, the $8 I paid to ship it, the

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MarginLogFounder