How I built a SaaS product in 30 days as a solo developer

I recently challenged myself to build and launch a SaaS product in just 30 days. Here's what I learned along the way and some tips for those looking to do the same. First, I had to scope the project carefully. I decided to focus on a simple but useful tool for freelance developers to track their time and generate invoices. I knew this was a problem I had personally experienced, so I had a good understanding of the requirements. I used Next.js for the frontend and backend, Supabase for the database, and Stripe for payments. This stack allowed me to move quickly without having to set up a lot of infrastructure. The biggest challenge was staying focused and not getting caught up in perfectionism. I had to constantly remind myself that the goal was to ship a working product in 30 days, not to build the perfect solution.