I'd like to share a great tip with you from Blair Stevenson, Brava Ltd on how to add on to a sale.
The famous McDonald's add-on question, 'Do you want fries with that?' works for them, but you shouldn't try a similar closed-ended question. It significantly decreases the strike rate (the percentage of customers who buy the add-on product).
Instead, divide information about your products or services into three categories:
1. Feature: a physical part or characteristic of your product or service.
2. Advantage: translates the feature into a reason for the customer to purchase.