Abandoned Cart = Lost money

Customers abandon their carts in all online stores. Basically, yes, it's problem, but we won't be able to solve it entirely. But with our Marketing Automation tools, we can minimize this problem and save almost 50% of abandoned carts. Before we will proceed to the solution of a problem with abandoned carts, we should think over the background of this phenomenon. We have to find the reason why customers don't decide to purchase products they've added to cart.