What's the safest way of getting paid money without meeting face to face?

Question

What's the safest way of getting paid money without meeting face to face?

Answer 1

The kidnapper rents a mailbox to which the victim sends a postal money order for the correct amount, but with no name for the payee.  The kidnapper then takes it to any post office and exchanges it for cash, No ID necessary.

Answer 2

Paypal.

Answer 3

a well-reviewed online escrow company