How his side project hit $200k in revenue, new way to A/B test pricing

Ch Daniel (23) created Legit Check By Ch with his brother, David (17) and have gathered 6,000,000 all-time users. Their company helps people authenticate luxury items: clothing, sneakers, bags, watches etc. Currently they're making $200,000/year using the simple ""send order note"" function of an e-commerce system.