One wonders if he should have included gas burnt driving to all the places which had stuff on sale, and I definitely support all of the opportunity cost comments.
On one hand it's not the most economical use of your time if you can sell the time you spend on doing this. On the other hand if you can save 5$ by sacrificing one minute you can get pretty decent hourly rate on your effort.
Also this guy seems to be having a lot of fun gaming 'the system' and blogging about it.
One wonders if he should have included gas burnt driving to all the places which had stuff on sale, and I definitely support all of the opportunity cost comments.