Apply the retirement visa for long term to be renewed every year which requires a deposit of $800,000 baht or $23,000 us dollars in your thai bank account which u can use as expenses but never going below n maintaining $400,000 at all times for your renewel.Engage a thai visa service office in thailand n pay them n they will take care of everything including your opening a thai bank account drivers license n all visa issues gd luvk
Go to Australia as a tourist n marry her in australia.far much easier if she's in the country than out of the country.they ask too many questions n long delays for processing if out of the country