When it comes to the gym, I'm a creature of habit. I stick to the same three machines, say hi to the same group of people, and exercise around the same time of day (I'm a morning workout kind of gal).

Amazon is matching Best Buy's Black Friday deal on the Fitbit Inspire 3 bringing it down to just $69.95, but you'll need to move fast as it's likely to fly off digital shelves at this price. Fitbit's ...