It is hard work for experienced investors with some money, and a solid track record.I recommend newbies concentrate on buying their first (small deal) house .

When I say capacity, think bandwidth and ability for many users in a concentrated area to utilize the services of a tower. 

@James Post I'm old school Bronx but my family owned a few apartment buildings over by Elder Ave. on the 6 train... mostly from concentrating on Tax Liens.Welcome to BP!  

You could further refine the non compete clause to within a certain distance of their major concentration of effort.

If the attorney does not concentrate on real estate they will slow down if not screw up your deal.

My area of concentration is the downtown area.

From your description it sounds to me like a casual read, much like reading a book on Henry Ford or Eli Whitney or other successful people, probably not the text used as the curricula for a business class at the Chicago School of Business or Harvard..Moving to the level where our OP is striving to attain I'd say he needs to concentrate more to graduate level classes, analytical studies, modeling, market testing, analytical finance and economics.

Since I've expanded now and brought on a team to help me with it I have time now to concentrate on what I really want to do.

I may just decide to continue to be satisfied with my 15% capital gains tax, partially sheltered by depreciation on my long-term buy & hold rental portfolio, and use the stock market holdings in my inherited IRA as some diversification, since I'm almost entirely out of the market these last 10 years, and totally concentrated on real estate investing.

Have you thought about geography concentrations or exclusions?