I suspect the Savannakhet is only the most popular because Vientiane embassy has that ridiculous appointment system. I really miss my trips to Vientiane
First of all, that is NOT cheese.
Second, Lazada is not a fair indicator of the cost of imported foodstuffs, and the same product is available there for as low as 150 baht.
Finally, Impoted food comes with a serious markup.
Magnesuim supplements. You should also be consuming D3. Also Consider NAC and Glyciene
If want to go down the rabbit hole, check out Eric Berg, Andrew Huberman and any one of a million
the single time i can recall having an issue making a payment for anything i was pissed as a fart at 3 am when the bangkok bank online app was down for scheduled maintenance. I gave them my number and transfeerd cash in the hangover aftermath the next day.
It sucks to pay for the drunk while you are paying the consequences. That was incidentally the day i decided that perhaps my hardcore drinking and party days had run thier course,
as for the language barrier, though i speak thai i have never had to do more then hold up my phone and say "scan"