Maybe you could mitigate them by diversifying a bit: maybe instead of the lower cost (40-55k) ones you said you're in maybe start to look either at a different 'class of properties' (which might require a different source of deals as well, like say probate/estate deals) and/or look at maybe investing in a place or a different way that would handle a downturn better like: (and these are just spitball ideas, not suggestions) but maybe like in a destination city, or in destination city with AirBnB-type rentals, or a military area, or a really popular/strong college town for investors which may not 'dip' as low in rental demand or something...just something to consider. 

Schertz is a popular area, especially for military families based at Randolph and Ft Sam and we're just getting into the busy season for military moves here in SA.  

Just tossing out the most popular retirement age.  

I offered to sit at open houses (only works if it is a hopping, high traffic, popular area) and signed up for desk duty (answering calls and walk ins).

I am a first time landlord and would highly appreciate your suggestions.My condo's monthly asking rent is $2,100, which is located in a convenient and popular rental area (average rental rate is $1,000).

Yesterday's Wall Street Journal had an article that the name 'Michael,' having reigned supreme as the #1 boys name for decades, has lost its popularity lately.

Apps like Houzz and Pinterest also provide good pictures of what's popular right now. 

The popularity of Airbnb is not to be denied, but will it stay as the only major short-term rental company in the United States? 

So they turn to the largest and most popular provider of real estate data (Zillow) for data and research.

Our "All Credit Accepted & No Financials Required" commercial loan program is quite popular.