It is really quite simple. Regardless of the product, you will put the same time and effort into it. The percentage of qualified prospects that will actually buy from you will be about the same. No matter what the price, prospects will always have reservations. So, a high priced product with a higher profit margin will make you more money.
Every product has a price to value ratio.
Let's take a hot dog for example. Of course you would. You would go to the trouble because of the Great Value compared to the asking price. There are many opportunities to choose from. Be sure to choose one that's product has a high perceived value and a high profit margin.