10/18/12. Costco has the Pure Guardian 144-Hour Ultrasonic Humidifier on sale for $74.99 (after manufacturer’s instant rebate), now through November 4, 2012. That is $15 off Costco’s regular price of $89.99. …

Costco has the Sunter Natural Daylight Lighted Vanity Mirror on sale for $14.79 (after manufacturer’s instant rebate), now through November 4, 2012. That is $5 off Costco’s regular price of $19.79. …

*UPDATE* 6/20/13. Costco has the Sleep Innovations Novaform Gel Memory Foam 12-Inch Mattress Queen Size on sale for $349.99 (after manufacturer’s instant rebate), now through June 23, 2013. That is $150 …

Check out my post-> Halloween 2024 Candy Deals at Costco 10/14/12.If you haven’t already stocked up on Halloween candy with your double coupons and such or you just don’t want …

*UPDATE* 2/22/18. Remove up to 7 times more plaque than with a manual toothbrush. Costco has Philips Sonicare Replacement Brush Heads 6-Pack DiamondClean on sale for $39.99 (after instant savings), now through …

10/13/12. Costco has the Contigo Auto Seal Travel Mugs 2-Pack on sale for $15.99 (after manufacturer’s instant rebate), now through November 4, 2012. That is $4 off Costco’s regular price of …

10/13/12. Costco has the Braun Series 5 Shaver (Includes Extra Shaving Head) on sale for $119.99 (after manufacturer’s instant rebate), now through November 11, 2012. That is $30 off Costco’s regular …

*UPDATE* 2/7/21. Remove up to 7 times more plaque than with a manual toothbrush. Select Costco locations have the Philips Sonicare Replacement Brush Heads 6-Pack E-Series on sale for $39.99 …