Today only, eBay is offering 15% off all orders when you make your purchase via the eBay Mobile app and use promo code PICKFAST during checkout. There is no minimum purchase requirement for this sale, but the savings will cap at a $100 discount. That means you can have a shopping cart with as much as $666 worth of merchandise and still save. Or as little as $10. This offer is set to last only through 8 p.m. Eastern today, Nov. 21, so make sure to download the latest version of the app while you can.

While the coupon is valid on almost everything sitewide at eBay, you won't be able to use it on anything in the Coins & Paper Money, Gift Cards & Coupons, eBay Motors, or Real Estate categories. It also excludes warranties and protection plans.

The eBay Mobile app is downloadable via iOS and Android devices, making it easy to keep up with auctions and your purchases from anywhere in the world. Once you have it installed, you could save big on purchases like the Nintendo Switch for only $254.99 or a new video game like Marvel's Spider-Man for PlayStation 4 for $39.94. Or both!

If you're not big on gaming, you might consider something to enhance your home audio instead; you can grab a Sonos Play:1 speaker for $126.65 or a pair of Bose QuietComfort 35 II Noise Cancelling Headphones for $296.65.

While stores like Best Buy and Dyson sell brand new merchandise on eBay, the online auction site's selection of items is huge because people all over the world use the marketplace to sell older, no-longer-used items that have been sitting around their home. One man's trash is a Thrifter's great deal though.

Plus, since there's no minimum purchase on this deal you can really take advantage of eBay's Under $10 section. Fill your cart up and use the code to take 15% off the entire thing. This is a great section for stocking stuffers, tree ornaments, and other small gifts for the holiday season.

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