What do I need to know about applying for an O-A visa at the Los Angeles Consulate, including flight and accommodation details?

Q1. You need only to indicate your outbound flight information.

Q2. I indicated a two-week stay at a hotel.

Q. You can extend your non-OA Visa annually as long as you meet monthly income requirements (currently65,000bhat/month) and maintain health insurance.

Your name is Bigd Thailand, you should already know the answer.

I can recommend the Non o visa. In the process of doing the requirements for the years retirement visa extension. Bank account open within a few days and the paperwork for immigration is pretty easy if you have everything in place.

You should not get the OA visa if you're planning on getting extensions. Then you have the worst part of both the non-O and the non-OA. The non-OA is only a good option if you don't want to keep 800,000 baht in a Thai bank account, and you're planning on returning to the US at least once every 2 years to apply for a non-OA. But you're going to have to keep the mandatory insurance policy forever.

With a non-O there's no insurance requirement, but you have to keep the 800,000 bank balance in Thailand.

If you extend the non-OA, you have to keep the bank balance AND the mandatory insurance. The worst of both visas.