Well this sucks.  Gonna drive prices down on stuff to compensate ya think? 
GunBroker.com will be implementing the new 
Marketplace Facilitator Internet Sales Tax regulations on January 1, 2021. 
As a marketplace, 
GunBroker.com will be required to collect and remit sales tax on all sales according to the state law. State tax is calculated based on the ship to address of the order.
For details, check 
Marketplace Facilitator Sales Tax . Check back regularly for our most recent updates on the 
GunBroker.com Sales Tax process.