Firestone has a one time fee for a lifetime alignment..... Make friends with the guy and you can see the adjustments in real time and it makes doing bump, camber, etc real easy!

I change mine at least 5 times a year, no charge.

1968 Pro-Touring Dodge Charger
*2011 Optima Ultimate Street Car Challenge Invitee
http://www.popularhotrodding.com/features/1203phr_1968_dodge_charger/index.html