Ignorance and inexperience leave me vulnerable to them.

They are internet marketers selling online real estate at a time where real estate is vulnerable.

What you and some other people here might think of as "natural" because "that's just how people have always said it" could contain bias that could be damaging the culture as a whole and hurting more vulnerable individuals in particular.  

Individual investors are incredibly vulnerable.

LV is particularly vulnerable because so much of it's economy is built on travel/gaming.

Wasn't my first vulnerable moment (ask him to tell you about our island adventure the next time you guys speak...)

I may go that route this summer, just to help protect the vulnerable members of my community from the unscrupulous.

I've been wanting to wholesale my own deals (not a true wholesale as I'm not assigning the contract right away but I do have an exit strategy), but have also been worried about being an agent and vulnerable if someone claims I exploited them.  

Many have gone down in flames trying to get too big too fast.

If they're great, they shouldn't be afraid to be a bit vulnerable and show how they corrected a hiccup.