These payment methods all have built-in proof ... buy a book of receipts from an office supply store, there are free receipt templates available online from companies like Microsoft and Apache.

If you manage a rental property, you should give a tenant a receipt when he makes a rental payment. According to Nolo, an online legal resource, many states require landlords to provide rent receipts.

Investopedia / Joules Garcia Receipts provide documented proof of payment and can be required by businesses and tax authorities for various reasons. A receipt is a written acknowledgment that ...