Coffee shop with two lines. One line is long. The other line is empty. But the empty line belongs to the new barista. People keep choosing the longer line. Mr. Promo watches. “Trust beats speed.” Lesson: Reputation attracts more customers than convenience.

Ice cream stand with a tiny spoon tray. Free samples. Kids drag their parents over. Parents end up buying cones. Mr. Promo nods. “A taste removes hesitation.” Lesson: Free samples reduce buying resistance.

Food truck with a giant menu. Thirty items. Nobody can decide. Next truck over? Three items. People order immediately. Mr. Promo smiles. “Confusion kills sales.” Lesson: Fewer choices increase decisions.

The Mall Food Court Mr. Promo walks through the food court slowly. Not to eat. To watch. One restaurant has a huge line.The one next to it is empty. Same prices. Same food. Different presentation. Mr. Promo notices one thing. Samples. Tiny chicken pieces on toothpicks. People stop. People taste. People buy. Mr. Promo nods. “People rarely buy what they haven’t tasted.” Lesson: Let people experience your product before asking them to buy. did you hear that? Let People Experience Your Product Before Asking Them To Buy. That Is Marketing.

The Movie Theater Lobby. Mr. Promo isn’t watching a movie. He’s studying the popcorn stand. The menu shows three sizes. Small Medium Large The medium is almost the same price as the large. People automatically upgrade. Mr. Promo laughs quietly. “Ah… the decoy effect.” Lesson: Sometimes the middle option exists only to make the big option look better.