Local NAPA Auto stores here in Northeast Wisconsin carries them at a cost of $5.99 plus sales tax.
By the way, it seems that these cans "only" have 10 ounces (by weight?) in them, while a can of of the SAME size of Invisible Glass has 19 ounces in it.
I thought I was getting ripped off. So when you pick it up and it seems half full, IT IS! Not sure why Stoner's does that.
It's not cheap when compared to WD-40 for removing tar, but it is a lot safer for car finishes. WD-40 can creep into seams and reportedly soften paints if left to dwell for extended periods of time. That has NOT been my experience, but why risk it on your own car or worse, a client's car.