Where should I exchange my currency?

The best exchange rates are obtained at the various Bureaus de Changes around the country, especially in Arusha, Dar es Salaam, and Zanzibar. Typically, travelers will receive the best exchange rate for $100 USD bills issued in 2006 or later. Bills smaller than $50 USD will get a worse rate, and those issued before 2006 will most likely not be accepted. Hotels will exchange currency for you, but these are rarely the best rates you'll find. Whatever you do, don't attempt to exchange money on the street and always be conscious of your surroundings while exiting a bank, Bureau de Change, etc.