Do you have a Paypal account?
Is it set up with your bank account info where you can just transfer the money to your account once you recieve it?
When someone sends me money I just transfer it to my bank account for free....Also, if I over spend out of my Paypal, Paypal will draw money from my account.
Paypal takes 3% of what someone sends you so you either eat the 3% or you charge accordingly.
Yes, once you get the money it is 99% safe to ship..(100% really)
But once, I had a little problem with Paypal verifying payment AFTER I recieve the money in my account AND AFTER I shipped the $700 LCD TV!!!! Of course it all worked out fine...