To clarify my answer, these are definitely NOT low-end properties I am talking about and I recommend using a professional management company if you are not local or do not want to manage yourself. Even using a management company, they will cashflow a minimum of $300/month. These are condos and townhouses well-located near metro stops, shopping, colleges and work centers.Ex: I bought one myself a year ago for $35,000 just two blocks from NASA Goddard's gates and am about to purchase my second, and my tenant works for Homeland Security. It is definitely not low end.
Just because a property is less expensive, does not mean it is cheap or low-end So don't let someone who does not know the area you want to buy into dissuade you from your goal.