Problems Meeting Module 2 Training Criteria in Selecting Affiliate Niche Product

In module 2, we are told to select a popular or high gravity product that costs under $50. I’m not sure when the tutorials were created, but I am having a difficult time meeting that criterion, because most of the popular and high gravity products are selling for well over $100. When I go further and further down the list to get to the products that are $50 and below, the gravity and popularity are greatly diminished. I don’t know what to do about this. I’m stuck and unable to complete module 3 because of it. Should I just go for the higher ticket items that are really popular or should I sign up for something below $50 that has a much lower popularity or gravity rating?