#1- is there a need in your area for your service-
#2- your competition- what's their weakness-
#3- pricing- what's the average pricing schedule for your service in your area-

Before I spent any time doing anything else I would concentrate on knowing these answers.

I've been self-employed for 25 years- inherited a forklift repair/service business from my dad. Relocated the business from the inner city to a suburb. Learned these lessons while relocating.

The work is hard but well worth it- keep with it!