You're wrong. You can keep bouncing. Each entry is 180 days. The extensions are 1900baht. The 10,000 baht is for the 5-year visa, not the extension. The visa is 5-year multi-entry, you don't pay anything when re-entering. It's a total beauty. I'm off the non-O and onto this brilliant new visa
Stay away from immigration and just border bounce for five years. Get 180 days each time you re-enter. Works out at 2000 baht a year. Cheap as chips. Just have to show 500k in your overseas bank account. It's ok to call it a residency visa because that's exactly what it is.
This is the new retirement visa. 10,000 THB for five years, no need to visit immigration. This is a little beauty. I'm switching from non-O. With no Thailand financial requirements, it'll be putting visa agents out of business!