This would be the safest approach but also, anyone that is worried or has extra strict oversight in their area could simply avoid anything alcohol related in their packages.

There is a lot of variability in this answer and, like all things in real estate, it simply depends. 

Most investors who take this route are not short-term investors and do not enter the investment with a timeline for sale. 

when I used a capital gains calculator online, if I put zero money down and put the 2 loans, the cap gains is a lot lower than if I just recorded 1 loan and entered the money from the downpayment loan under cash.

If the latter, simply give her the notice required (eg 30 or 60 days) that she needs to move. 

I have noticed a lot of investors are seeking out cities that are offering lower priced lots and simply adding a Modular or Manufactured and capturing a very nice cash flow.There is a new trend starting in Florida and in other states where an investor buys a piece of land or lot and add a 'Tiny Home". 

Please do not enter or touch displays."

I found similar patterns between all 5 companies: namely, they had taken on too many units, were over-charging me for things I didn't need, and weren't handling issues correctly (they would send out vendors who didn't know what they were doing, mis-diagnose issues etc.)No disrespect to the PMs on this chain or BP in general, but any third-party manager won't perform exactly the way you would like them to simply because of the constraints they are faced with as far as having so many units and owners to keep tabs on. 

We have just entered into contact on an investment property duplex.

I'm have been asked to enter into a partnership with an experienced investor, and I'm not sure how to or the best way to structure a partnership.