The effectiveness of these sales principles can be measured through various methods. One way is to track the increase in sales after implementing these principles. Another way is to measure customer satisfaction and retention rates. Feedback from customers can also provide valuable insights into the effectiveness of these principles. Additionally, the level of engagement and interaction with the customers can be a good indicator of the effectiveness of these principles.
People will only do business with others once they know them, like them, and trust them. They will b...
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