schwab is a pain in the ass due to there 4 business day holds on deposits. I put money into schwab from my account with another bank(which I have linked and use often). I use it to get local currency from the international atms but i cant take any of it out for sometimes up to a week.
AAA offices in the USA will issue the form. I believe its around $20. they are good only for one year. Call you local AAA office and they should be able to advise you more
The ask:thailand community, consisting of multiple Q/A groups with over 100,000 members, powers this platform. It is not an official government resource. Our members actively contribute to this resource, and while we strive for accuracy, we cannot guarantee its complete reliability. Assistance to travelers is provided as a community service.