That sells by retail.

Of a person, business, etc.: engaged in selling by wholesale.

That cuts down prices or undersells. colloquial.

Designating or relating to a method of selling goods or services in which the manufacturer or provider deals directly with the customer, rather…

That sells goods or commodities by wholesale.

(of a person) concerned with buying and selling goods for cash as rapidly as possible, esp. on the black market.

Marketing. In telemarketing: designating or relating to direct sales techniques in which a salesperson makes calls directly to prospective customers.