Things get more interesting if your established agency has the vision to empower that growth beyond what is traditionally expected.
If and when those conditions develop, there's a good chance your book of business could scale to staggering levels.
The hardest part of the whole process might be developing a passion for something (niche) that might not be apparently obvious.
That's what I talk to Patrick Muscenti, of McGowan Insurance, about as he tries to test his threshold limits.