Check the Thai embassy site for nationalities allowing visa exemption. Then she’ll get 30’days most likely with one extension allowed. If you’re thinking of her working her - ain’t gonna happen
Leave the furniture behind. Leave as much as you can behind and buy it here.
Hire a company that specialises. They will likely include a small facilitation fee for customs and even if you are relocating some items will still be dutiable. Do not even bother with alcohol. Drink it before you leave.
not marketing, just adding what I thought. The original thought was wrong but the IRS post is clear - at least as clear as anything from the IRS can be. Seems you’re offended for some reason.