very quickly, hundreds of companies will come up with the software program where you put a ZIP Code or street address and get the sales tax rate. Of course it will require constant updating. It wont be a nightmare for small businesses but it will be an extra cost.
Well, that's going to be a matter of perspective. Lowest price for the best practice solution is about $28,000 per year plus the cost of the operators hours to do the compliance work. Let's call it $30,000. Operators with some size will be able to absorb that with various levels of pain. For many mom and pop shops it will be a death sentence. I guess one person's inconvenience is another person's bankruptcy.