At least half of the power poles in Thailand look like they are ready to topple all by themselves.
I'm sure the driver only took out one pole and the others joined in sympathy.
Once a tourist visa is approved it is typically valid for 10 years. But you can only stay up to 6 months at a time.
So if she already has a valid US tourist visa in her passport there should be no problems.
Most pharmacies carry allergy eye drops. Antazallerge is one of them. There are other brands too.
I've been having some eye allergy problems the last few weeks too. I live in Ratchaburi. There are a lot of those trees with yellow flowers in bloom right now. It could be pollen from those.
All the burning right now doesn't help either.
Schwab does not convert to Thai baht. They will send it in US dollars. Your Thai bank will determine the rate.
(There are 15 currencies they will convert to but Thai baht is not one of them.)
Is there an access hatch to your ceiling?
If so get someone to put some rolls of insulation, that you can buy from any home improvement store, on top of the ceiling. Like SCG Stay Cool or a similar product.
A few people I know use LYO shampoo. My wife is one of them. She thinks it helps.
You can also get minoxidil in most pharmacies. Mostly I see it in 5% solution. But there is a 2% solution that is supposed to be for women.