my rear toe is off by 1/3 degree. Should I worry about this a lot? I know that the rear can't be adjusted so I was just wondering how bad 1/3 degree is.

 

Post your rear alignment readings.

 

I've had my 96 since new, and early on I detected a slight drift to the left which I more recently concluded was left-rear toe-in in excess of spec. I also found that not rotating tires often enough will lead to premature cupping on that tire.

 

Ask the shop if aftermarket shims are available to adjust the rear toe on the max. They should have a database where they can look it up and see what's available. Shims are a pain to do on a vehicle with rear disc brakes because the caliper will need to be shimed as well, but they may still be willing to do it if the parts are available.