Originally Posted by yamsyamsyams

If solely judging by the dollars spent on walking vs bike equipment, regardless of distance, bike would be more costly. A pair of cheapo $20 Walmart shoes could cover my 16 mile (one way) commute, compared to a $200 Walmart bike.

Again this only works if you take dollars spent on equipment as the only variable. Once you factor in time cost, then bike wins in my scenario. But if you are 2 blocks from your work, then obviously shoes would win out on cost!