There are plenty of factors that vary among programs: how much they cost, what kind of workouts are involved, how long each workout takes, whether you need equipment, and more.
There are plenty of factors that vary among programs: how much they cost, what kind of workouts are involved, how long each workout takes, whether you need equipment, and more. (If you’re short on fitness equipment—which can be very difficult to find online now—you can follow these tips to make any move harder without adding more weight.)