These are essential qualities an entrepreneur must possess, because they will all determine what the future expectation with the business is going to be like, we must also have a good interpersonal skills, because this also is one of the major drive to having customers for patronage and to retain them for your service, a good customer service is very important also, in this regard.
You've outlined the important skills needed for entrepreneurship, and most importantly, you emphasized the important role of customer service in standardizing a business. When an entrepreneur offers or provides exceptional customer service with respect, kindness, humility, and care, customers become loyal ambassadors, bringing in multiple referrals. This is because outstanding service creates a positive experience, and it will improve trust and loyalty among the customers.