Product knowledge is by far the most important key ingredient to posses when it comes to selling your product.Before you sell your product, make sure you know it inside and out, you wouldn’t want to be caught without an answer if your prospect had a specific question.Think about it, if you were interested in buying a product from someone and they couldn’t answer your simplest of questions about the product, how much faith would you have in it? Probably none.Here are a few tips on how to get to k.