Your product knowledge is not your competitive advantage. Your listening skills are.
I managed telesales teams for years, and the best performers weren't the ones who knew every product feature. They were the ones who asked great questions and listened more than they talked.
Think about the last time a salesperson talked at you versus listened to you. You trusted the listener. You resisted the talker. Conversion happens when you understand the customer's problem deeply enough to position your solution as the answer they were looking for.
Listening is a skill, which means it can be trained. But most sales training focuses on pitch perfection, objection handling, and closing techniques. These matter, but they're secondary to understanding what customers actually need.
The psychology is simple: people buy from those who understand them.