AND put in as much of your own money as the investors do. 

A "lake house" might be in a residential zoned area where a commercial use would be prohibited or at least require a variance (approval) to make an exception.

Every time I've put in a request for a change in their software they've done it that week.

Hey guys im looking at real estate in South America ,for the price of a studio here in the U.S there you can get a 3br +1000sqf house in nice area of town ready to move in, been pondering on getting a personal loan here in the U.S to invest in a house in SA, what banks are best for this type of loan, i would like a low interest and monthly payments.

They are not going to like living in a house that is going to be sold. 

You could put in a range of numbers for purchase price and closing costs, renovation expenses, and expected returns and you could very quickly get a range of projected return on investments (although an excel spreadsheet could easily do this as well), but I'm sure as technology develops we will see even more sophistication in AI's ability to assist in deal analyzing.

Landlords should not be listed as an "Additional Insured" as that implies they have insurable interest (they don't) and have authority to file claims or receive coverage (such as in a lawsuit) from the renters insurance.  

I have been buying underperforming properties and I believe all the big names soon do the same just in a bigger scale. 

If it's in a high tax /flood area taxes and insurance could easily be 5-6k or half that then with title insurance points and closing it could make senseWhat is the breakdown ?

Similarly, if you put several Class D tenants in a Class A 4-plex, what do you think will happen to the property?