The successful completion of a project depends on what happens before construction starts. By following a few simple procedures up front, you can leave the job with a satisfied customer who will provide repeat business and plenty of referrals. Avoid Problem Clients The very first step is to avoid problem clients. Pay attention to a few warning signs and find a graceful way to decline working for a person who looks like trouble. Control freak. A person who needs to control the process is bad news. If, for example, your business hours are 8 to 5 weekdays, but the customer can only meet with you evenings or on the weekend, you may be looking at more than a scheduling problem. Penny pincher.