This is just the best thing for anyone that is facing rejection at work by the customer to do as this is a very bad omen for anyone that is facing rejection at work by customers as they must be something that is making this customers to be rejecting that person and the earlier the person find out what that thing is the better for that person to be able to solve the problem.If you want to solve the problem of customer rejection, you need to find out exactly why customers are turning you down. If you can't figure it out, the problem will continue.
You can monitor your competitors and found out what they are doing that you are not doing. You should re-strategize and innovate your business so that it will look very attractive to customers.