Now if it was definitely a single unit and only she could do it and it was properly labled it would be on her.

You have to properly vet and perform thorough due diligence (which I didn't do a couple years ago when I first jumped in).

In my devious mind, I thinking like you that I hire a parking attendant, install gates and charge an entrance fee if I bought it. 

Here's a few examples:Does the lender release for materials on site or do they have to be installed? 

So you can really get an idea for the market and if a property you are looking at is properly priced!

A lot of tenants might not know how to use it properly. 

When we setup and furnished our STR last year, the internet/tv service provider would only install internet.

While not every mentor is a guaranteed path to success, proper vetting through referrals, review of a mentor’s track record, and alignment between the mentee and the mentor can shine some light on whether or not this relationship is a good fit.

but working with someone who is local to your market, who can show you their legal documents that they have used, introduce you to a proper title/attorney office for drafting documents...I mean, nothing is foolproof...but that route will have a significantly higher success rate. 

For house hacking, ensure rental and personal use are properly allocated for deductions.