You have a lot of expertise.
When you became a consultant you thought your ability would shine through and people would just seek you out for the benefits you could help them obtain.
To your surprise clients were hard to acquire.
Perhaps you didn't know the quote from Tom Watson, “Nothing happens until a sale is made.” (ex Chairman of IBM)
The more people you help the more successful you'll be.
How would you like your income to look, like person A in the following graph or like person B