... launch, then suddenly got a $169 Cloudflare bill at the end of the month. I hadn't been watching closely what AI was doing and turns out it was rewriting and pushing live the entire 1.1mil database every time it added/revised any small part of it, so it went 169 million rows over the free 50 million monthly Cloudflare D1 row writes Comment from Aleksandr Kubarskii(@al_kub): I would rather pause the expensive part than take down ... ... with you, and in that case the app itself needs proper hard limits. Mine was kind of the opposite of a surprise bill lol I preloaded credits on Serper and they expired before I used them up. App down vs

... still on you. If you skip the thinking and just let AI generate everything, you get a product that works in demos but falls apart with real users. Comment from Stan Kolotinskiy(@sk_uxpin): The framing of "vibecoding vs engineering" assumes you're choosing one mode and sticking to it. In practice I switch constantly. AI takes the grunt work, I take the decisions that matter. Also, sometimes I might decide to postpone some decision that seems "proper ... ... been impossible for a human team to solve it at all. Ive done something in 7 months that would have taken a team of 10-25 from 3 to 5 years to build with a budget of 25-50mil

... work from hedge funds and research universities where 64m seems a small amount to even get the junior level work outsourced. Where is the disconnect to you? The quant team at one small hedge fund probably cost 10-20 mil ...