Walmart offers the Harmony Juvenile Backless Booster Car Seat in Granite for $9.99. Opt for in-store pickup to dodge the $5.99 shipping fee. That's $10 off and the lowest price we could find. Buy Now Features 30- to 100-lb. capacity Washable seat pad Model: 0304003GNT
Some chains have retired their senior discounts. But these grocers still have deals for the silver-haired set.