For USDT use cases, this is not a good place to find unfortunately. But from what I heard, you can also use USDT for crypto cards like Binance card and crypto.com which then you can use like a normal card
In Venezuela there is this page https://www.criptolugares.io/
Thanks Diego for sharing it, there you will find a good report of businesses that accept various types of cryptocurrencies, it is not global, but it is quite updated in Venezuela.
thanks so much for suggestions—they are really appreciated!!