Price Range: $11.99 – $35.00 eBay remains the cheapest source, with individual used trackers starting as low as $11.99 . It is also the best place for deep discounts on bundles or "for parts" units if you only need the tracker module itself.
Currently, the most cost-effective way to purchase these devices is through used listings on peer-to-peer platforms. cheapest place to buy fitbit alta
Since these devices were released in 2016-2017, used units may have significant battery degradation. Price Range: $11