Originally Posted by coneill
Personally I also take into account the money/time I'm not spending at the gym. Of course, most of us also spend more on food as a result of our commute also, but personally that's a sacrifice I'm willing to make
Good point. Of course, in the category of increased costs, you have the cost of the bike, accessories, clothing, bike maintenance if you don't roll your own, tires, tubes etc.
And finally, in the category of other benefits, you might not die so young. But OTOH, you might get killed by a car.