Target retail stores offer the Fitbit Charge Activity Tracker for $84.99 via the directions below. That's $25 under our mention of a shipped unit from two weeks ago and the lowest price we could find by $15. Deal ends January 30. To get this deal:

1. Check the in-store availability of the Fitbit Charge Activity Tracker for $99.99
2. view and add this 15% off Cartwheel Mobile Coupon on your smartphone via the Cartwheel app (you can also print it off your computer)
3. visit your local Target store to purchase the Fitbit Charge Activity Tracker and present the Cartwheel coupon to drop the price to $84.99