Passport biodata errors are an immediate cancellation. Other documents that are missing will usually be requested. Insufficient documents after a request for further documents will result in rejection.

Stop watching the idiots making YouTube videos, no requirement for the origin of funds for an extension other than a Thai bank account in your name.

Choose a proposed or intended flight and date as well as accommodation you are not bound by any of these choices.

Not sure what you mean. You are currently near the gym and you want to use it for 3 months before you move 6 hours away? Also this 3-month membership you have is not enough to secure the DTV.

Use group search tool

Use group search tool, not too many entries on Helsinki, and not recent either. Suggest you contact them via email and ask how long they want the money seasoned. Yes provide proof you have a legit company CV, portfolio, with clients and contract payments coming in

Triple check every field before submitting

Depends where/how you live and how much money you want to spend on accommodation. You could live a simple life on $1000 or blow it all monthly, on expensive accommodation and going out to eat western and travel. Cities can gobble up your money, village or country life not so much, you'd want to have at least $3000 for reserve/emergency funds available.

Contact

@Robert ********

Any savings type account, anywhere, in any currency, the amount may vary according to the Embassy you apply at.