We’ve reached a point where nobody has the patience for clunky checkouts. If I...

https://www.scribd.com/document/1051753410/Why-Milestone-Rewards-Actually-Work-And-Why-Most-Apps-Fail-Them-233966

We’ve reached a point where nobody has the patience for clunky checkouts. If I have to re-enter my credit card info for every coffee, I’m closing your app. Users now expect one-click ordering and secure saved payments as the absolute baseline