Not sure what area of the South you are but there is a massive amount of water heading towards Bangkok from the North/North East. Here in Loei we have had the biggest flood since 2011
For me I would stick to beach/swimming pool, Thai people do frown on it, it shows disrespect. I was in a restaurant in Pattaya recently, four guys were refused entry until they put there shirts on
This reminds me of the very first time I visited Thailand on the bus taking us from airport to the hotel, the tour leader said that if Thai people have a dream the night before indicating they are going to die the next day they believe this and will on that day drive without care.
Whenever there was a works out and I drove the van, after everybody was dropped off, I walked through the van, making sure everything was ok, only took a minute. I did it automatically
Any notes have to be in perfect condition. Even in England people are weary of £50 pound notes. When I was a cashier my boss went ape<deleted> if I accepted a £50 note
Probably some (same in the West) mostly no, I live in a Thai town, hardly any foreign tourists, covid had little effect, if you say good morning (in Thai) and smile they will respond with a smile