I'd feel comfortable investing ~$50k to start off.

If you are comfortable living with roommates, a SFH househack could be the move for you.

Just make sure the rental property’s cash flow comfortably covers the HELOC payments and other expenses.

I literally laughed through the phone at his suggestion, because I was broke, in debt, and in every way and unqualified borrower, and the lending environment in 2012 was probably stricter than it had been since the invention of the 30yr mortgage.

Despite only renting for two months, this tenant's aggressive behavior is creating a hostile living environment for other residents.Specific Issues:He complains about our lack of notice when entering the property during our own move, despite prior notification.He has moved items around the house without permission.His communication has been condescending and confrontational.He installed a surveillance camera in a common area, violating the lease agreement.He banged on the door because he couldn't use the smartlock code properly.Considered Actions:We plan to serve him with a notice to vacate.We are considering having a constable with us when we serve him the notice.Questions:Should we just give him warnings considering that his actions may not improve?

Some people are more disturbed by that than others (even if they have nothing to hide) - and following you around may give them a greater sense of control and therefore comfort.

What price range are you comfortable with?

Or if your'e living in it would you feel comfortable in that area. 

For real estate just start analyzing as many deals as you can so you get more comfortable and confident.

This allows you to participate from the comfort of your own home while still networking and learning.