If you are in a different country, never ask anybody how to use an ATM machine. Why? In South Africa for instance, most of the ATM machines have a feature that facilitates the transfer of cash from the user to people he wants to send money to. The button is called “CashSend”.
If you ask a passer-by how to use the ATM, he might trick you into sending cash to himself. The scammers look for tourists and “accidentally” pass by them when they’re trying to use it but can’t figure out how.
How to avoid: ask your guide or the hotel receptionist about the best ways to get cash out.