Newegg offers the Samsung S Health Activity Tracker, model no. EI-AN900AZESTA, for $0 via the steps below. With $2.99 for shipping, that's the lowest total price we could find by $17, although we saw it for $3 less last month. It features call and text message notification, step and calorie tracking, and sleep monitoring. The tracker syncs with the S Health App. It's compatible with Samsung devices with Android 4.3 or higher. Deal ends February 29. To get this deal:

1. View the Samsung S Health Activity Tracker for $29.99
2. apply coupon code "EMCEGFH33" to cut that to $20
3. redeem this $20 mail-in rebate for a final price of $0