The document discusses how premiums and tripwires can be used in marketing to increase sales and conversion rates. It provides various examples and statistics showing that offering a low-cost premium significantly increases the percentage of customers that purchase the main product or service. Premiums have been shown to boost front-end sales, continuity programs, upsells, retention, webinar and event attendance, and more. Offering a free gift or t-shirt with a purchase can increase conversion rates markedly.