Finding time to work out is a struggle for a lot of people. They don't have much time left between work, changing diapers, making meals, and maybe shoveling snow. What little time is left is usually not enough to travel to a gym and back because that takes well over an hour.
Working out at a gym can take too much time -- time to go to and from the gym and to change in and out of workout gear when you get there. Imagine you do all that only to realize that you have to get in line to use a machine.
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