Most SaaS revenue advice assumes you're on one billing platform. Here's what changes once you're actually running Stripe alongside a Merchant of Record.

A side-by-side breakdown of what each major provider actually charges in 2026, including the fee changes from Polar and BigCommerce that shifted the math this year.

MRR isn't complicated, but most explanations make it sound that way. Here's what it actually means, how it's calculated, and where founders get it wrong.

Selling on both Shopify and Etsy means reconciling two completely different fee structures. Here's where sellers most often miscount what they actually kept.

Stripe's dashboard is built for tracking transactions, not answering "how much did I actually make." Here's what it leaves out, and why the gap gets worse as you scale.

Polar moved from a flat 4%+$0.40 rate to a tiered model starting at 5%+$0.50 in May 2026. Here's exactly what changed, who's affected, and how to check your real impact.