Hi, I am in Koh Tao right now on a normal 60 days tourist visa. I need to stay longer, and dont know what is the best way.

* I could get a company share for 20000 thb and get a work visa which comes with taxes etc. But can stay a very long time

* Can I change my visa to a Volunteer Visa while INSIDE thailand?

* can I extend my tourist visa (already extended once for 30 days) with the two months "covid visa"

* can I apply to the STV when INSIDE thailand?

I am actually a digital nomad, but not working in thailand, as I only keep working on my existing online shop. Also the smart visa would make no sense as I would pay taxes twice, in germany AND thailand.

What would you recommend in this case?

Thanks a lot for your help :)