Amazon.com's Prime Day sales were lower on the first day said Momentum Commerce. The company which manages online sales for 50 brands said its Amazon sales plunged 41% on Tuesday when compared with the start of Prime Day last year.

Best Buy is holding its Black Friday in July sale alongside Prime Day, so there are tons of deals to be had even outside the Amazon orbit. And thanks to its Price Match Guarantee, you might still be able to snag some Amazon-level deals — even if you're not a Prime member.

I search for deals for a living and these are the best Amazon Prime Day deals I can find, as you can still save over 90% before the event's end.