Paystack — the pre-launch waiting list that beat a YC rejection — Acquired by Stripe in a deal the narrator puts at $200M · first revenue $1,300, from a single transaction · 400+ real merchants on a pre-launch waiting list, built from ~150 one-to-one conversations after expecting 20–30 signups · roughly a year of unpaid bootstrapped building before any public launch · Shola's earlier product Precurio: 150,000 downloads, used by 200,000+ companies, translated into six languages · ProvenStartups