What Is The Optimal Length Of A Queue?

There is a fine line in business between having satisfied customers and happy ones. If all your customers are too happy you are probably not charging enough for your product and service or indeed doing too much for them for too little. This can be a difficult habit to break, but can be the difference between success and failure.

Early in my career I worked for a software company that everyone loved, they just didn't make any money and were taken over by another company that did. The only difference I could make out between the two was the one that was successful charged their customers for everything they could and should. The other went out of its way to keep its customers happy, but didn't charge them enough for the privilege.

Do you want to be liked or respected in business? If it's the former, you probably think the answer to the question posed is zero. If it's the latter, a better answer is three...