Fullfill the requirements as they are, or don’t apply.

You loose 10.000+ baht everytime you get rejected.

Do not change to the inferior DTV tourist visa, if you in any way can avoid it.

You will loose rights, most notably for many loose of right to have a Thai bankaccount.

A genuine long term visa is by far the best, for staying long time in Thailand.

You may need to make a noticeable jobchange, to avoid suspicion about continuing working whit Thai clients.

This has been discussed extensively numerous times, so you should use search to get the answers.

Read the website of the local Immigration office

Use the search function, asked and answered in detail numerous times.

At least you could do some basic research before posting questions.

If you in any way can stay on a real long term visa, that is far far better, than changing to the inferior DTV tourist visa.

But if you want to loose rights, such as working with Thai customers and the possibility of a Thai bankaccount, go on.

Start by doing proper research from trustworthy sources.

FORGET about it.

You need a genuine long term visa, to open and hold a Thai bankaccount, not a tourist visa like DTV.

So change your visa if Thai bankaccount is a must for you.

But since DTV don’t allow you to business with Thai clients, you only need a bankaccount in the country where your customers are, so they don’t need need to pay international transfers to pay you.

Use search, and take advantage of the numerous answers allready in the group.

Allready asked and asnswered in depth numerous times.

Use search to get the full picture.

Search for Thai Embassy Indonesia.

It should be quite obvious.

Its you passport that is the important travel document.