eBay announced in October it would begin collecting sales tax in 4 states in 2019 due to new laws that extend the tax collection obligation to marketplaces (known as Marketplace Facilitator laws). Note that online
Based on applicable tax laws, eBay will calculate, collect, and remit sales tax on behalf of sellers for items shipped to customers in the following states:
I doubt even managers have the ability to change fees, but it won’t hurt to call and ask. Maybe try requesting a courtesy credit on the bill, especially if you had any problems with service experience or the car itself. If you’re going to have the car for awhile, maybe ask for a free upgrade or amenity (e.g., unlimited miles, model upgrade, no gas refill requirement, additional driver, etc.). I think your ability to negotiate would have been stronger before you took possession of the car.