JOE FRUGAL: Fitbit Charge HR for $99 at eBay

Act fast and you can score a Fitbit Charge HR for just $99 through a special deal on eBay.

The fitness tracker counts calories burned, heart rate, floors climbed, active minutes, and of course – steps.

It will also track your sleep and when paired with your phone, notify you of incoming calls.

The best Black Friday price on this device was $104, but it typically sells from around $125.