As far as Australian investors are concerned it most definitely is! No negative gearing, no dividend imputation, no tax relief on capital expenditure, no discounted CGT. Thai Taxation is cr*p
You need to talk to the estimated 50% of non-O retirees who pay bribes via an agent to get their extensions if you're concerned about people not obeying the laws! And whilst you're about it, talk to those who illegally buy "replica" designer merchandise from MBK. And don't forget those who ride motorcycles without a licence or helmet! 😂😂
Keep your address in Australia and stay with your Australian TFN. Most important thing is to retain Australian Tax Residency. As a property investor there's significant tax concessions. Don't lose them to a f*cked up tax system in Thailand
Unlikely a DTV holder will ever interact with an immigration office so it'll never be picked up. I used to do it all the time with the OA. In four years never did a single 90 day report and never got fined