push before payment

Would love to get everyone's opinion on this. For those of you who manage a fair amount of low-mid $$$ end user sales have you ever pushed a domain prior to payment? (Assuming paypal is means of payment) I don't know the validity of the source, but nameflipper.com stated that they have...

Would love to get everyone's opinion on this. For those of you who manage a fair amount of low-mid $$$ end user sales have you ever pushed a domain prior to payment? (Assuming paypal is means of payment) I don't know the validity of the source, but nameflipper.com stated that they have...