Create pet marketplace

Create something similar: Adoptapet.com (My domain is about selling, but we can do both, adopt, rehome a pet or sell....) Adopt is very popular Million visitors a month Been around for 20 years Visual colors are appealing and inviting Their site is modern, and sophisticated Their application process is thought out Their forms look very strong and professional Their pet pages look awesome 👌 Checkout process is quick, easy and smooth. How can you do better? What can you do better? What can you improve? Thank you