Here are some tips for using USD in Uruguay:
* The official exchange rate is set by the Central Bank of Uruguay, but you may find that different businesses offer different rates. It's always a good idea to compare rates before exchanging money.
* Some businesses may charge a fee for exchanging USD, so it's important to ask about the fees before making a transaction.
* When using USD in Uruguay, you may be given change in UYU. This is because the UYU is the official currency of the country, and businesses are required to give change in UYU.
* It's a good idea to keep some USD in cash with you for small purchases and to avoid exchange rate fees. However, you can also use credit cards and debit cards to pay for most expenses.
Overall, it's easy to use USD in Uruguay, and you shouldn't have any problems getting by with this currency.