Bissell via Walmart offers its Bissell 3-in-1 Lightweight Corded Stick Vacuum in several colors (Aqua Blue pictured) for $21.48 with free shipping. That's the lowest price we could find by $24. It features a configurable design to act as a floor vacuum, stair vacuum, or hand vacuum.

Update: Aqua Blue is now $19.48. Other colors are a few bucks more.

Update 2: Blue is now $19.48; other colors are now out of stock. Choose in-store pickup to dodge the $5.99 shipping fee.