Which appeal is characterized by offering additional items for free to entice customers?

The correct answer is characterized as a Bargain Appeal, which focuses on providing value to the customer, often by suggesting that they can get more than what they are paying for. This strategy typically emphasizes promotions such as "buy one, get one free" or offering complementary items at no additional cost. The underlying principle is to create a sense of urgency and a perceived saving that encourages customers to make a purchase.

In contrast, the other options focus on different persuasive techniques. For instance, an Appeal to Flattery may involve complimenting the consumer, appealing to their ego or self-esteem, rather than providing additional value through free items. The Join the Bandwagon Appeal seeks to persuade by suggesting that a product is popular or widely accepted, relying on social proof rather than added incentives. Lastly, a Folksy Appeal typically involves using simple, down-to-earth language, or invoking traditional values to create a connection with the consumer, rather than offering extra items. Thus, the Bargain Appeal stands out as the option that most directly involves enticing customers through free additions.