The biggest time waster for many new businesses just might be the fatal mistake of developing relationships with the wrong customers. Don’t do it! To prevent this problem, develop very specific profiles of your ideal customer and aim to make relationships with them. Why invest a lot of time in a relationship with a customer who buys from you once in a while? Or is struggling to pay your invoices on time? Start things off right by going after a select group of people or businesses who will pay you often and on time!