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Whether you want to cool your house on a budget, purchase some new footwear on the cheap, or score the latest tech, here are the best bargains this week:

Clearance Sales on A/C Units

The weather might still be sweltering, but now that August is coming to a close, end-of-season clearance sales are springing up. And that means it's time to save big on seasonal items that stores want to unload, like air conditioners. This Quirky + GE 8,000-BTU air conditioner, for instance, costs $149 with free shipping. That's a savings of $50 and one of the cheapest AC units around. The unit isn't just cheap, but also technologically advanced. The "smart" unit can be controlled by a smartphone app, and can even power-on based on your proximity to your home.

Keurig's Best Sale of the Year

Keep caffeinated at the lowest price possible while Keurig slashes 40% off select K-Cups via coupon code "40DEAL." (Eligible K-Cups are marked at the bottom of the product page.) Plus, the "CAREFREE" coupon code bags free shipping, saving you an additional $7. Combined, these are the best discounts of the year from Keurig, making it easy to stock up on coffee, or to just buy one or two packages since you don't have to worry about delivery fees. Deal ends September 26.

First Deal on Samsung's New Flagship Phones

The latest and greatest phones from Samsung might not be on shelves just yet, but you can already get an amazing deal on both the Samsung Galaxy Note5 and the Samsung Galaxy S6. If you preorder these phones at Best Buy, you'll receive a free Samsung wireless charger, which is a $39 value. If you also trade in a working phone at the same time, you'll get a $200 Best Buy gift card as well. (Click here for details.) These phones are due for release on August 21, but the deal lasts through August 29.

Up to 55% Off Nike and Sperry

Whether you want to relax or be active, there's a clearance shoe sale this week that will work for you. Fans of Sperry Top-Sider's casual, preppy styles can rejoice while the store takes an extra 30% off clearance items via coupon code "EXTRA30." Since items are already marked up to 50% off and include free shipping, it's one of the best sales we've ever seen from Sperry. This deal ends August 23.

If boat shoes are a little too country club for your taste, then dig into Nike's sale instead! The athletic brand takes up to 55% off both shoes and clothing in its clearance section, and now coupon code "BACK2SPORT" cuts an extra 20% off. Plus, Nike+ members get free shipping, no minimum purchase required. (Not a member? It's free to sign up.) This is also one of the best sales we've seen from Nike, too. Not sure what sneakers to get? Check out this guide to find the right athletic shoes for you.

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