Dave. I do that. 6 and 6. Plus or minus a couple weeks. I get 60 days exempt on arrival I hit immigration for extra 30 for 1900 baht. Then I take a bus trip for a day pick up another 60 plus 30. That’s 6 months. No visa, no savings account.
Silence is golden. Duct tape is silver. Direct deposit in your USA bank. Suck it out via wise or remetly as needed. If they know your our more than 6 months you’ll lose part D for any medicine you need. Don’t announce your plans out loud.
Driving in Thailand is like Mr. Toads Wild Ride at Disneyland. I would fly or hire a car/transport. When we decide to travel we use people that own a van. It holds my wife’s relatives and we’ve ventured everywhere south of Bangkok but going north to chaing mai (sp) we take the night train. The van is comfortable and I think we paid $1200 baht per day.
Medicare will revoke part D if she’s out of the country more than 6 months. However I’ve found my heart meds are cheaper over the counter in Thailand. Check that out.