If you've been looking to buy a cordless vacuum, now is a great time to do so: The excellent Dyson V15 Detect Cordless Vacuum -- the one with a laser that can reveal microscopic allergens, and measure how many particles it's picking up -- is currently$100 off at Amazon for Memorial Day. (You can find it for the same price at Walmart , too.)

Dyson V15 Detect Cordless Vacuum

View now at Amazon

I splurged on a Dyson V15 Detect vacuum over a year ago, and it's been one of my favorite home purchases -- it's got a long battery life, and I love being able to see all of the gross things it's picking up. And with a toddler prone to throwing food and a constantly-shedding cat in the house, it's been a lifesaver to pull out of the closet at a moment's notice and not have to worry about plugging it in. 

The Dyson is also super easy to empty, without getting any mess on yourself. I use it on carpet, hardwood, and tile floors, and it works great. 

You can also check out all of the other best Memorial Day deals we've found so far. 

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