I'm a solo founder and student building a SaaS with around 1,500 users . Current stack: Frontend: HTML/CSS/JS Hosting: Vercel Backend/DB/Auth: Supabase The app is 100% free right now, so I have no revenue yet. My main issue is that I'm consistently hitting my Supabase I/O limits. Before anyone asks, I've already spent a lot of time optimizing my code and database usage. I've removed unnecessary reads/writes, reduced queries wherever possible, and at this point I don't think th...