Kmart offers the Craftsman Portable 2.5-Gallon Wall Mount Wet/Dry Vac, model no. 12001, for $20.99. Choose in-store pickup to avoid the $8.99 shipping fee. That's $2 under our October mention and the lowest total price we've seen. It features a 4-foot hose, cloth filter, wet pickup foam filter, 2-in-1 utility nozzle, and crevice tool.
Of note, Shop Your Way Rewards members will earn a Kmart credit with this purchase and may be eligible for additional credits and discounts. Plus, Shop Your Way Max members are eligible for free shipping.