* Most of the weapons were useless, but that is because I had a hard time forcusing on the ammo. All weapons besides the handgun had less ammo and would burn through it quickly. Because I have good aim, I found the handgun to be the best weapon.
Day 1 - Buy as many mines as you can. I placed them on the back row and when a few enemies came by, fired it off.
Day 2 - Same as day 1.
Day 3 - Same as day 1.
Day 4 - Same as day 3.
I would save the mines for the cars and ensure that they blow up nicely.
Day 5 - Same as day 4.
I would use the suicide drivers to blow up enemies around them.
This saved mines from being used.
Day 6 - You are almost there. Hold out and hope for the best!