I do business in New Mexico, which I claim as my address. Back and forth all the time, but permanant in New Mexico.
I suggest you complain to you state congress person and representative. CC your council member and Gov Hickenlooper. Lost money for Colorado, thinking it would make money, idiots!
Proposed is a federal tax, but getting all states to agree? Forget it!
Consider co-writing articles with a person in anon-Amazon state tax.
Best of luck.