
Cash The old school, traditional method is to use cash. You can simply receive cash from someone, or pay someone in cash. This is a money transfer. There are many problems with this method of payment, including the most common one, which is the lack of cash in your wallet (that’s me). Another problem arises when you owe your friend $17.48 for dinner. It isn’t likely that you will have the exact amount, so you probably end up paying your friend more. Paying for a $17.48 meal with a $20 bill probably doesn’t seem like a big deal. If someone makes a big deal about, you would probably consider them cheap. But, if you do this often, you end up paying...