Sentry cost me 80 EUR/month for ~12k errors that PostHog now catches on the free tier posthog-js already loaded on the storefront, so error tracking was a 4-line config change Source maps upload in ~3s through a Vite plugin, stack traces stay readable Tool count dropped from 2 to 1, and OpenTelemetry handles the gaps PostHog leaves I was paying 80 EUR/month to Sentry for a one-person studio shipping ~12k errors per month, while PostHog already ran in the same page for analytics and session replay. Once I noticed PostHog had quietly shipped a real Error Tracking product, the math was insulting. One evening later, Sentry was gone and my observability stack was a single SDK. The Sentry Bill That Stopped Making Sense I started with Sentry years ago because it was the obvious choice. Errors come in, they get grouped, you fix them, you move on. The Team plan at 80 EUR/month felt fine when I was on a Pro consulting contract.…