In my experience, when residents have unexpectedly high heating bills, they gripe about it, their ability to pay rent is reduced(leading to a higher eviction rate,) and they tend to leave the apartment at the end of their lease, dramatically increasing turnover.

My income dramatically jumped 3X from my last job. 

Those fees dropped dramatically once expedia was involved. 

If you want primarily medical profession tenants, it will dramatically narrow down the number of buildings that would work for you. 

After I bought my first one the market conditions changed dramatically with prices shooting up.

One large area of interest really is trying to figure out the best way to obtain funding without paying too large of fees that the deals no longer become worth it, but at the same time, I feel like if I stick to conventional investment loans, I am putting 25% down, which ties up a large amount of capital, and more than that, I am forced out of all cash offers and short closes which dramatically limits my opportunities, which is not wise.

Vacancy dramatically low in many many markets. 

Should I be worried about dramatic future increases in flood insurance, or should I run numbers based on today's insurance cost? 

Hi @Andrey Y.The Multifamily Millions business model by David Lindahl which I am following for repositioning value plays allows me to force appreciation by increasing the NOI dramatically in an 18 month to 3 year period by finding burnt out landlords (in their 70's and 80's) that have their properties primarily paid off and are just not doing this right. 

They are not one in the same)-I agree that the markets has changed dramatically and unless someone is passionate about equities, they shouldn't pick individual stocks.