American express acceptance

Amex acceptance is always an issue. Keep a backup card with you in such cases. BTW to accept Amex you need to give a separate application apart from standard one (that what’s happen with me).
Note: Amex cards are issued to only few cities resident. They don’t accept application from 99% cities/town (except chosen few). So it’s no wonder many merchants don’t bother with their separate application process. Low distribution and sperate application process, even I won’t bother with Amex if you ask me.