As of Dec. 7, select Fitbit smartwatches and fitness trackers (including all the new ones) are on sale on Amazon and Best Buy for up to 30% off: OUR TOP PICK: Fitbit Charge 4 — save $30 BEST BUDGET PICK: Fitbit Inspire 2 — save $30 BEST APPLE WATCH ALTERNATIVE: Fitbit Versa 3 — save $30 BEST FOR …