The concept of a sliding scale is simple: the cost of an item, service or event is not fixed but instead is contingent on a variable associated with the consumer. Here is everything you need to know to implement it. — It’s 2021, and if you aren’t using a sliding scale for your products, you are behind the times! Whether its for events, conferences, maybe the consulting fees you offer, or educational courses you run, or event the item prices on your website, the sliding scale approach in on the rise…