I spent the last few weeks building a Fiverr clone called GigFlow . Tiered gig packages, seller KYC, in-app checkout, real-time chat per order, the whole multi-stage delivery loop. It's a single Next.js project and the whole thing is on GitHub . The gig pages and the order workspace were what I expected to take time. They did, but it was straightforward React. What I was actually dreading was the marketplace plumbing: routing payments to individual sellers, identity verification so those sellers can legally receive money, payout management for them after the fact, and a chat system so buyers and sellers can coordinate without giving up email addresses. Those are the kinds of features that turn a side project into a quarter-long slog through Stripe Connect, Persona, Plaid, and a queue of compliance work. I ended up using Whop for all of it - connected accounts, KYC, payouts, embedded chat - one SDK. And on top of that, I never had to redirect a user to a different domain to do any of it.…