These variables include, but are not limited to the landed cost of the item, opportunity to solve a specific problem in a particular niche, the chance of differentiation of the item vs. the competition, the market size, the rate of growth for the item, the # of searches, the level of competition, the balance between high volume and low margin vs. high margin and low volume and much more.
The point is, we analyze dozens of data points, AND ONLY THEN do we decide if the product is strong enough to be presented to our VIP customers or if it goes out to the Product Idea Graveyard (PIG).