Sandi when you have completed your PHD you may be able to make some money. Tru driving a dump truck 84 hours a week. At your age you cant get 15k together? Not being judgemental here but you need to do something about your financial situation.
No not bragging at all. I am making a point. If its beneficial in anyway is up to you to decide. Your inability grasp a simple concept is perplexing. Let me simplify it for you.
If someone can,t afford 2000 baht for a visa they should reconsider what they are doing for resources.