Just a few more thoughts.
You either need something new to corner a market
Or have something old that you do sufficiently differently to corner a market.
There is an old adage that you should try to dominate your chosen field.
Nothing beats effort.put in the hrs and you'll be justly rewarded.
Continually monitor your market -www.surveymonkey.com --- very handy
Old fashion referral systems are a must--- loyalty of clients is difficult to break if your a competitor.
Develop business relationships.
Work and link with other businesses which are synergistic
We link with Earthworkers/Landscapers/ developers we are Civil construction company specializing in Retention.
You may link with clothing for example.
Lastly employ experts.
Who is the smarter?
Those with degrees OR
Those who employ those with degrees?
Once you get going and it took me 20 yrs.( from supplying me a job and wage--- to supplying surplus well in excess to my living requirements)
I believe it can be very much shorter in this day and age.
It can be life changing.--- permanently