Come in less than 180 days before the end of the year then open a Thailand bank account send the money over it won't be taxed from your house sale or investments, just coming in.
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.