Northwest Outdoor via eBay offers the open-box Fitbit Aria Wi-Fi Smart Scale in White or Black, model no. FB201, for $74.99 with free shipping. That's $5 under our mention from four days ago and the lowest total price we've seen. (It's also $44 below the best price we could find for a factory-sealed model.) It features body fat percentage tracking, integration with Fitbit.com, and support for up to eight users.

A 6-month Northwest Outdoor warranty applies.