Even a local with businesa and work permit was going to renew the stamp with 1 day overstay.... he got caught on the street during minivan travel... he lost his wp, his visa and his business..... 7 years on the island all in smoke cz he didn't put enough attention on his visa expiring date...
If ure lucky...if u gonna be caught on the way with overstay visa by a random military/police checking u can be arrested and have a red stamp..... so yeah... never get in overstay is a must now.. to much risk... fair enough actually at my pov... to much irregulars in Thailand.. they don't make distinction anymore between 1 day overstate and 1 year... even if have no sense...
By they're brain mean that u don't care and so if u go 1 day overstay u can be another 1 year overstay in future.....