When you have labelled a buy it now price for your item you would obviously want the buyer to immediately pay you. This can be done on eBay using the Paypal. This is used mostly when your item needs to be sold within a time frame, for example, football match ticket. The buyer has to know the exact figure of payment hence add all the involved cost and other seller and shipping needs.

When a buyer clicks on the buy it now link of your listing he is instantly directed to pay through Paypal. If the buyer delays in doing the payment formalities the item remains open to other buyers to purchase. So the buyer who is able to pay fast becomes the winner of that item. And when the buyer pays, you have to ship the item. With your item having the buy it now tag, you can use the instant payment feature on eBay with any selling format as the online auction, store inventory or fixed price.

When a bid is placed or the bid matches with your reserved price in your auction like listing, both buy it now and immediate payment tag vanishes. The listing now becomes a regular auction-style listing and the item goes to the highest bidder. This auction-style listing ends with a higher bidder. Paypal remains the only payment mode for immediate payment option. Before the completion of payment if the listing reaches its ending time then nobody wins the item and you are free to list it again.