There are very small duty-free shops for international export. Passports must be brought with you when shopping, and crew members and staff members cannot buy them.
I won't take you there. But I'll take you to the duty-free shop. Bangkok bags are sold in the city's king power export, but there are few styles. You can buy NARAYA brand Bangkok bags on the first floor of centre word shopping mall (near Siam Palace, one block away). There are many cheap styles. When I went, almost the whole store was owned by China, and I bought a lot.
4. Generally, you can use UnionPay in big shopping malls where tourists go, but not in small stalls.
5, Dongyin Gong seasoning, pork shop, durian candy, durian dried, etc. Of course, there is L 'Oreal, the price is only between 1/3 and 1/2 of the domestic counter price. The cheapest facial cleanser is only 100 baht, equivalent to RMB 22 yuan.
6. Whether you spend enough depends on how you spend it. Carido, save some money. 1000 is too little. Isn't it a pity to have no money in case you fancy something more expensive? Then bring more money to deal with emergencies. 10000 baht is equivalent to 2200 RMB, and change is always enough.
7. Be careful not to get separated from the team. There are so many tourists. If you are not careful, you will find strange faces all around you. Just in case, buy a local phone card in Thailand, 99 baht, with 35 baht in it, enough for you to use for 5 days. Write down the phone numbers of tour guides and tour leaders. Don't be afraid. There is also a strong ability to resist fooling. Thai tour guides are good at fooling people into participating in self-funded projects and buying things.
8. I haven't tried this, I don't know.
I hope I can help you. Have a nice trip. Give it to me and do your best ~