Whenever I am waiting during an appointment, I take the time to clean out my purse and sort through receipts, and update my checkbook/register. During this I find I have change lying around my purse that I could use towards parking meters, or save it and put it in a jar at home towards our emergency fund.
The benefits of this secret, is that you have a much more organized purse, and can find things easily. Especially if you are the type who is always rushing, and just stuffing things in your purse. You are also awarded with little things you forgot you put in your purse, if you didn't clean it.