A person may not engage in any unfair, abusive, or deceptive trade practice, as defined in this subtitle or as further defined by the Division, in: The sale, lease, rental, loan, or bailment of any consumer goods, consumer realty, or consumer services; The offer for sale, lease, rental, loan, or bailment of consumer goods, consumer realty, or consumer services; The offer for sale of course credit or other educational services; The extension of consumer credit; The collection of consumer debts; or The purchase or offer for purchase of consumer goods or consumer realty from a consumer by a merchant whose business includes paying off consumer debt in connection with the purchase of any consumer goods or consumer realty from a consumer.