Developing a Sales Process
If you are FileMaker developer/consultant looking for business, listen to this FileMaker 2016 DevCon presentation by Mark Richman of Skeleton Key:
Next, get help
Now that you are motivated, find the nearest Action Coach certified business coach and sign up with hem/her. The benefits will enormously outweigh the costs if you do these two things (and apply what you learn). Business coaching has grown exponentially in the past 20 years, and for good reason: it works.
Finally, spend at least 20% of your time working on growing your business, rather than in it.
And if you are looking for a good success story along these lines, check out this FileMaker Developer Interview of Duane Maas from DevCon 2015.