9. It’s also good for impulse control.
Imagine a situation at a shopping mall: that one pair of designer shoes is glittering at you from a shop window like a small beacon of light. Involuntarily you take a small step towards it, then another – until you remember that the box won’t fit in your basket and grudgingly decide to leave and come back later, with a car. Then, once you are at home, you start debating whether you ever really needed another pair of shoes – and, chances are, decide to give that one a pass. Money saved!
If you really need something, of course, then going back will not be a problem. Otherwise, having to adjust the amount of your purchases to your bike’s capabilities can save you from a lot of what-was-I-thinking-abouts and never-agains.