Be a tourist, us the ATM for money, and a lockable wise card with only $100 USD every 2 weeks. never get a long term visa, visit other countries set up a few residences and a few holiday girlfriends. Enjoy your retirement
The regular sim is the same as the tourist sim, at the airport and
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they just put an expensive plan on the tourist sim good for the number of days you need.
They most likely put you on a 10 Mbps plan for 450 baht a month? It will keep working of you keep adding money to the number and buy the addon again. Visit any AIS store to top it up and keep it going
At the visa interview they will evaluate if she has enough ties to Thailand to keep her from overstaying in america. 99% of the time it will be denied, and they will tell her to have her us citizen boyfriend apply for a K1 marriage visa