You can’t expect to get the sale 100% of the time. Sometimes the sale is lost to conditions beyond your control. But it does help to understand more about those deals that slip through your fingers when they just may have been saved by foresight and a little more training.
In order to understand the cause of a lost sale and to find ways of overcoming these in the future, it is necessary to make a careful analysis of the factors that come into a potential sale:

The Salesperson
The Product or Service
The …