Memorial Day isn’t until May 26, but sales on our favorite gear have already started.

I've been covering deals since 2013, and I still think Memorial Day sales are worth checking out. There are so many made-up shopping holidays these days that it can be difficult to ascertain when items are actually cheaper than usual. Now is one of those times. To help you out, I've scoured through our buying guides full of hand-tested items to find gadgets and gizmos that are discounted—and worth buying. If you're in the market for something we've tested, keep checking in through May 26 to see if you can snag a deal.…