Not having to carry or interact with a physical key is the new hip thing. Cars have had keyless entry and push-button start for years, and now Teslas can even be used with just a phone app. Smart locks for homes have been around for some time as well, and if you don't already have one, you might want to look into this deal on the August Smart Lock 2nd gen, which is now being offered for $105.79 via eBay.

Read More