Here's the problem: there are 44,000 local sales tax jurisdictions across the USA. As such, the cost of compliance would be extremely high, and the likes of Amazon.com are going to find out the high cost of opening a new data processing center just to do nothing but sales tax processing.
Congress Votes to Repeal 1099 Requirements
This internet sales tax is even worse, forcing on-line vendors to submit to sales tax collection and reporting for tens of thousands of jurisdictions.
Even if not one red cent is collected from some jurisdictions, sales tax reports must still be submitted to show zero collections.
What a complete nightmare this is going to be.