You do fall under the remote worker category. There is no minimum income requirement. Provide an outline of your business, websites links, CV, references etc
I had exactly the same concern with only one part time online contract when first looking at applying for the DTV. I asked London Embassy if a low income is a concern.They told me there is no income requirement, the 500K is key and to apply.
The move to Evisa Jan 1 will only affect those making the change. Those already online will maintain their processing time as now. Taipei told me they hope to maintain a 2 day approval process when they move online.
Rex Zhao Not sure on that, gambling is very limited in Thailand and many do not like it as it is against Buddhist principles although the lottery is popular.You can email the embassy and ask if it is ok.