Why need sales training when there is a good sales?

customer demand and habit change regularly about the product

Market is never stagnant nor the products and services.
Every day there are changes in the market dynamics.
Quantum of skills and knowledge is like an ocean from where each one of us are trying to pick drop by drop.
Sales training is for refreshing, updating and adding more skills and knowledge with so many changes taking place around us.

Every salesperson, no matter how experienced, can benefit of sales training.There are always new strategies and new technologies that your team must learn in order to sell effectively.

To increase the sales more and mor because this is bussiness and the target of any bussiness in the world must be profit ....

 for stability and Development

To keep on top

As to my experience in the company where I was working, we use to give three remarks1.
Good2.Excellent3.Outstanding.
Good Sale mean upto the targets,Excellent sale mean more than a targets.
Outstanding means more than a targets and more than a expectation of management with good profits sales.
Each and every company always except outstanding sales.
If there is a good sales means there is a market for our products.
therefore, every marketing authorities and management will think for giving more and more products training to all Sales concern and After sales concern.
Giving training means you are updating the products knowledges,markets environments, customer concepts etc.
to boast your sales as a outstanding sales and company reputation.
So if you have good budget you may have to spend for Sales training to earn more and more income/profits/growth etc.