They open up a new visa for people who have 500.000 to put into a Thai bank. Visit the Bangkok bank on line they will sort everything. They also have a Bank in London to make things easy.
what it says on the application is what they want plus is you take a letter from the bank to show money in the bank do it the same day. Then pump the book. Take 1000 baht out the bank at the ATM and show them the slip