For checks, there is a mail-processing fee of $1 for U.S. residents and $2 for non-U.S. residents. Some banks charge fees for cashing checks. These fees differ across banks, so you should ask your bank about their fees. US banks usually don't charge for cashing checks.
PayPal charges the following fees (as of Dec, 2011)
- US payments: 2.9% + $0.30
- International payments: 3.9% + $0.30
Cashfiesta will cover all PayPal fees for payment