I don't know how common it is, but I do some some areas have a maximum on sales ...

		duck on April 23, 2013 \| parent \| context \| favorite \| on: Ask HN: Congress is Passing an Internet Sales Tax:... I don't know how common it is, but I do some some areas have a maximum on sales tax. The Kenai Peninsula Borough in AK had one when I lived there. I can't remember the details, but I know with the truck I bought the tax bill was $35 as that was the cap.