You'll need to show the same documents as when you applied plus residence documents. Is that difficult? Not if you're serious about maintaining an ongoing activity or online work and have the necessary documents ready, just like during the application process. If you're not planning to spend money on a travel abroad, you may just try doing it.
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.