There are lots of very answers on this topic below. It is my understanding that an international drivers license in Thailand means nothing. Check out Thailand department of transportation for the facts.
What city or Provence do you want to stay in? If Chiang Mai, DM and I can you some leads and contacts that could make that happen for you. Nice condos as well.
Get the Thai embassy in your country and do it right. Too many conflicts written here some are correct, others not. Best to deal direct with embassy in your country.
She needs to check with her embassy. I think she will need to buy the STV Visa if it’s even still available, pay for 14 quarantine in advance, and prove proof of paid housing for the next 60-90 days after quarantine. Your lease may work. Lots of hoops, paperwork and cost involved. Good luck.
I’ve been very happy with the customer service at Bangkok Bank. Although I just learned SCB has a better more robust app for paying online accounts like all Utiliities. Do choose a location close to where you live as you will need annual balance letters generated reflecting your ฿800,000 activity. They only do that at your original location. Same for address changes etc. Wire transfers in are smooth and easy. Welcome