This RCA 9" Dual-Screen Portable DVD Player drops from $129.88 to $79.88 at Walmart.com. Plus, shipping is free. This is one of the best-selling items at Walmart right now, and a current price low for this item by $13. The screens attach to the front seat headrests (the DVD player is built into one of the screens) and it includes a remote, AV cable, and car power adapter. You can also use it with headphones. Editor's note: if you need it for a trip with kids this weekend, check for free store pickup! Sales tax is charged in most states.