Yep.
Used items dont come from EBAY
EBAY is not a store that has product.
They charge you the tax of the Gross Item bought, The tax is suppose to be paid to the feds on gains of the revenue generated by the company at the end of the year.
This is how they all do it.
Making you pay the tax on their revenue for their Profits.
It should be illegal to charge a person a tax to pay for the profits of that company.