Walmart has Shark MessMaster Portable 1-Gallon Wet Dry Handheld Corded Vacuum (VS100) on sale for $79. Shipping is free.

Product Information:

• Rinse & Ready means your vac can rinse itself in seconds. Just vacuum up a cup of water, and clean out the hose and dust bin completely.
• With AnyBag Technology, you've got the option to line the bin with any plastic bag (2-13 gallon) and vacuum straight into it. Then, just toss in the trash for easy disposal
• Dishwasher-safe dust bin
• At 9.8-lbs, Mess Master is smaller & lighter than many wet/dry vacuums