Problems
For the average Independent professional there just doesn't seem to be enough hours in the day. Constantly worrying about keeping track of your schedule so when customers call you don't double book or miss open opportunities.
As an Independent professional you have no way of knowing who all of your clients are, how to get in touch with them, or provide them with incentives on slower business days.
Finally, as a passionate professional you have no time to learn about websites or anything technical. You realize that your business could be more efficient with some kind of technology or appointment system but would prefer to spend time and effort refining your skills.