Hey. I have been running facebook ads for products on my website. I pick one particular popular item, and use it's image for the ad. Now, i get people coming to my website but not many people are buying the product. Should i add the price of the product in the ad? The only price i have stated is "50% off". If 100 people click on the ad, get taken to my product, and none buy, does that mean my ad isn't descriptive enough?