... Quick honest recap from Okiela s solo founder after going live: Infra held up well: Supabase + Vercel handled close to 20K requests with zero 5xx or DB issues. Launch week saw 192 visitors (mainly Vietnam + US), exploring homepage dashboard login/signup about/contact. Testimonial videos were loaded 5K+ times people actually watched them. At least two real users tried multiple times to upgrade to a paid plan. Every checkout failed because I misconfigured the billing integration. Revenue for day one was exactly ... ... paper, Okiela