Getting more sales is an excellent goal, but it’s important to recognize that not all sales are created equal. Sales of products with higher purchase values or higher profitability margins, for example, are always preferable to those of products at lower price points. Upselling will help you sell more of those high price-point products, and if you’re able to do this consistently you’ll be able to increase your profit margins significantly. But, unsurprisingly, it can be difficult to convince users …