Starting next month, eBay will no longer allow most transactions to be paid for by check or money order. Now you must used one of the approved electronic methods, especially PayPal and certainly not Google Checkout or Checkout by Amazon. Makes business sense: Mail transactions are probably a sink on customer service resources, as payments don't arrive or bounce bounce when they do. And eBay earns no vigorish from check or money order transactions as it does with PayPal, marginally increasing per-transaction profit — as the release states, "Ultimately, it's eBay's goal to have buyers always pay for their purchases within the secure confines of eBay." There are a few exceptions, however, notably including the "Mature Audiences" category. Because really, who wants to buy a used dildo with a credit card?