Consumers don't have the patience for clunky checkouts anymore. If your app...

https://weekly-wiki.win/index.php/Why_Small_Delays_Kill_User_Satisfaction_in_Mobile_Apps

Consumers don't have the patience for clunky checkouts anymore. If your app requires more than two taps, users bounce. They expect saved payments to make buying instant and real-time tracking to kill the anxiety of waiting for a delivery