Founder narrative
The month SaaS sales tax caught up with me at $41K MRR: a founder diary (2026)
A composite founder diary (2026): at $41K MRR I found out I had crossed sales tax registration thresholds in five US states without noticing, because a monthly subscription bills each customer twelve times a year and the 200-transaction test counts invoices, not dollars. What economic nexus is, why subscriptions trip it at a third of the revenue you would expect, why uncollected tax comes out of your margin instead of your customers' pockets, how a voluntary disclosure agreement capped the damage, and why January 1, 2027 is on the calendar for anyone selling into California.
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