Shark HydroDuo Floor Cleaning System, Just $85 at Walmart (Reg. $149)

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The Shark HydroDuo floor cleaning system is now just $84.60 at Walmart, down from $149. That’s a $64.40 discount on an all-in-one tool that's able to vacuum, mop, and scrub hard floors. Instead of buying multiple tools, you could get this bestselling system for under $100.