Unless you’ve been OOO for the past 24 hours with your phone on DND mode, you’re probably aware that it’s Prime Day. And you likely know that this year the event is four days instead of two. The sheer volume of sales is enough to make your head spin, and the extended time window probably has you wondering if the deals are changing each day.

These little purchases offer big benefits, including tumbler upgrades, sunscreen restocks & viral skincare products on limited sale at Amazon.

Learn moreThe heat is here, but so is Amazon Prime Day. Today's air conditioner deals will help you get relief from the heat fast and under budget. This year, the deals will span four days, but we're already seeing big discounts on our top picks for the best air conditioners and best portable air conditioners.