As many of you that are reading this guide know as of 5/19/08 You CAN NOT leave negative or neutral feedback for a buyer. I've been a long time eBayer with 100% feedback for the entire time I've been selling...
Always get a proof of collection is not sufficient, according to paypal's officials. So, if you offer a 'Pick Up' services, how to prevent nasty disputes after the goods have been collected by customer...