Did my Padang Besar out, in, out and back again today total 15 minutes mo problems. They didn't ask for 20000baht.Went smooth.
TLDR : Answer Summary
A recent traveler shared their experience of exiting and re-entering Thailand at Padang Besar in just 15 minutes without any issues. They were not asked for the 20,000 Thai baht typically required as proof of funds.