It's fine to wait for an appropriate time, but it's inappropriate to wait forever.
Occasionally problems will occur. When it happens to your customers, fix the problem fast. Make it your speed and generosity that gets remembered, not the problem.
If your customers are demanding, be thankful.
Employees are the key to your success with customers. Treat them well!
A scattered effort is a poor effort.
Q: When you are already in the lead, how do you to stay ahead?