From this point on, I'm against mutual fund investments, it's not for me as I understand how vulnerable we really are in mutual funds. 

Currently have 3 SFHs in our name that are rented- very vulnerable position. 

However, wouldn't that make me vulnerable if I make considerable improvement to property ?

Homelessness is a rising problem among seniors, a vulnerable population.

As a newbie, some scammers out there see you as vulnerable "mark" with a $ in your forehead.

Wage gains usually lag inflation and can be vulnerable.

People smell vulnerability, and it is a select few that will let it slide - humans are predators, and if you give off a weak impression you are going to be taken down the road. 

We all remember that day this summer when it went up in flames!

Also, investing too heavily in real estate causes you to be vulnerable to systematic risk in the real estate market.  

An attorney needs to be consulted to determine your vulnerability to a specific performance lawsuit if you bail on your current contract and you have to decide whether losing your earnest money is better than closing (assuming your attorney can't find a legitimate way out of the contract).4.