5 Classic Sales Blunders (and What You Can Learn from Them)

I've been in and around sales teams for decades, been writing about sales for about 15 years and have been personally coached by dozens of the world's top sales trainers. Even so, sometimes I make dumb mistakes. Here are a few of them.

1. Demonstrating every feature.

The first thing I sold as a professional was an automated publishing system that I had programmed myself. Like any engineer (which is what I was at the time), I was extremely proud of what I'd built.

As a result, whenever I gave a demo to a prospective customer, I would show every menu and function.