We noticed there was some hardware missing (the door handle), and a few scratches on the door frame. After a little more haggling, we managed to snag a 115$ door for only 25$! Although we had to purchase a door handle, we ended up saving lots of money, and ended up with a beautiful storm door that looks like it cost 300$, but really was less than 50$.
Here's our new storm door:
In addition to adhering to the housing code (and the aesthetic aspects of having a storm door), we will also save some money on our energy bills (extra insulation), and can even get an energy tax credit for it.
All in all, I'd say it was well worth the 50$!