Might it help if she manages and we don't have PMs for some of the houses?

He has even come to my personal house to pick up money and some things I ordered from Amazon to be installed in the property, and fronted some of his own money to keep things moving while I wait for the draw from my lender to clear.

If you're new to the investment strategy of house hacking, read "The House Hacking Strategy" by Craig Curelop.

You might consider house hacking a small multifamily (2-4 units) for your next home.

If you'll be living in the house and renting it from your parents that is fine for a 1031 replacement (make sure it's an arms length transaction of course). 

Say I pay cash for a house or put down 30k?

Not sure how Las Vegas operates but when I get a code violation of any sort I get certified mail delivered to my personal house and multiple other regular mail attempts. 

There are some exceptions, but they are rare, they have access to funds, and they typically built their empire when the timing was right and got lucky.Likewise, it's not often that you can buy a house and sell it for big money six months later.

She stated that he has been using drugs in the house and apparently, one of the neighbors saw him shooting up in his arm while the garage door was open.

An aspiring rookie investor considering a house hack as my entry into real estate.