huckster

A peddler or hawker, who sells small items, either door-to-door, from a stall, or in the street.

Somebody who sells things in an aggressive or showy manner.

One who deceptively sells fraudulent products.

Somebody who writes advertisements for radio or television.

A seller of shoddy goodsperson

To haggle, to wrangle, or to bargain.

To sell or offer goods from place to place, to peddle.

To promote or sell goods in an aggressive, showy manner.

Wrangle (over a price, terms of an agreement, etc.)

“Let's not haggle over a few dollars”