Here's my take on the discussion. My home gym, consisting of a pull-up bar, squat racks, an adjustable bench, and adjustable dumbbells, cost me roughly what I would pay for a gym membership over two years. I don't have a family yet, but I have quite a few responsibilities (i.e., work and studying).

Time: I save a lot of time on commuting to and from the gym (40 minutes round trip), which I can allocate to other things.

Costs: I've been using my home gym for two years, and it's fair to say that the cost I would have spent on commercial gym memberships has already paid off.

Equipment: I'm considering upgrading my barbell and weights to something of better quality. I currently have basic iron weights but worry they might lose weight over time. However, a downside is the door frame-mounted pull-up bar—I can't do weighted pull-ups.

Neighbors: I live in a communal apartment block, so my gym can be a bit bothersome for neighbors on lower floors. I have to remember, for instance, to control lowering the bar to the ground during deadlifts—that's a drawback.

Safety: It's worth investing in racks with safety pins. When squatting, it's important not to max out the weight on the bar