Costco Sale: Carter’s Blanket Sleeper $5.99 by Rhonda July 24, 2020 Costco has the Carter’s Blanket Sleeper on sale for $5.99 (after manufacturer’s instant rebate), now through January 31, 2014. That is $1.50 off Costco’s regular price of $7.49. As with many… 0 FacebookTwitterPinterestEmail