I've been looking all over and trying lots of different codes, but was hoping maybe someone here could help me out.

We are looking to get a minivan from MLI (moline airport)..
Pick it up Wednesday 1/22/14 in the PM, and drop it back off either late Sunday (1/26) night or early Monday (1/27).

I had found some awesome discounts but then some others take away unlimited miles.
We have the AARP discount code...

We are hoping to get a minivan for under $300..
If anyone has any other codes or discounts that could help anything would be greatly appreciated