If you're really hard up for space or money, resistance bands offer one of the best tradeoffs. The modular sets scale up to high weight and will last a while.

If you're really hard up for space or money, resistance bands offer one of the best tradeoffs. The modular sets scale up to high weight and will last a while. The issues that I think hit most people are not really with equipment, though, but time/motivation/energy. For that, it takes ordinary habit forming and logging progress.