if they are local, cash only. Period. I've used paypal happily for many years, but they take a cut and buyers can make a charge back for just about any reason at all.
With friends and here on the board, I prefer Amazon e-credit, there is where I spend my disposable income...books
Amazon doesn't charge seller or buyer, and there can be no charge back.
If you are shipping Really Read Up on how to do it, it will take a couple of hours probably to double box and wrap.