Keep it simple.
Understand that anything in this life that is worth doing: is worth overdoing.
We all have the "pie in the sky" objectives or "pipe dreams", but these names were give to us by those on the other end; by those who don't dare step outside their comfort zone.
The real ones know it takes Small Victories to win the overall conflict and accomplishing the objective.
Example: if you are trying to start that business, get after it by coming up with your "WHY" first. Take a break.
Run through your customer segments. Take a break.
Run through your suppliers. Take a break.
Run through your partnerships. Take a break.
Keep going after each step and take a break between each.
Doing this will ensure that you stay on task, stay productive and keep on the route to accomplish the entire objective.
Small Victories keep you in the green.