“If I run a sale in my store, can you tell me how well it will do?” It’s an inevitable question I get when I’m talking with a store owner thinking about running a sale event. And after decades of experience, I’m able to give a store owner some pretty good advice with regard to predicting the relative success of a sale. The starting point is to look at the last two to three years’ sales history trends, margins, inventory levels, etc. to benchmark the kind of business the store has been doing. But beyond that, we’ve identified five key elements that strongly impact the success or failure of in-store promotions.