To Niche or NOT to Niche?

[Carson Sweezy]

I just passed the national and state exam for my real estate license. Now I am waiting for my paperwork to be processed with my broker. Now is the time to build up my business model. 

Before taking classes, I was purely focused on being an investor agent. Working with investors for their own properties, and giving myself a leg up on investing in properties of my own. Until recently, I had very little interest in being an agent for the average home buyer. 

This mindset began to shift when I realized how many agents are over the age of 40. I am 22 years old, and live in the DC metro area (rated one of the best cities for millennials on several lists). 

Is it wise to split my marketing and networking time between two groups of people? What benefits do you see in limiting oneself to investors only?