More sales and more profit.
Have only very low and very high price versions of the product or service. For instance, a book even by a known author as an ebook would cost under $5 (preferably $1), while the deluxe hardbound printed edition would be $30-$90 or more.
Use testimonials of people who didn’t buy and their reasons for not buying. It should be presented as a positive: “I didn’t buy because X but would have bought because of Y and Z” where X is a benefit that they don’t need or does not apply to them, and Y and Z are also benefits that do.
Emphasize testimonials might lead to higher conversion rate.
Use a big picture of the person giving the testimonial that changes after a short time (3–5 seconds after it becomes visible on the viewer’s screen) to the actual testimonial (text or video that plays silently.)
Don’t waste time going through a lot of irrelevant material when looking for information on the internet.
A service that offers on-demand personal researchers. You choose the area to research (like health, advertising, sports, etc.) and briefly communicate exactly what you are looking for. The personal researcher will then do the research for you and send you the most relevant information with links to the original materials.