Any profit split varies depending if your relative just gives you money or also helps you physically. 

I think the answer is very dependent on your appetite for risk.  

You'll want either Schedule C,E,or F (those are the forms that a business owner could use to report rental income depending on their structure.) to double check the numbers match up.

Depending on the amount of money you are interested refinancing, you may not get as much as you want. 

My price starts at $325 for that size home but depending on when it was built it might be slightly higher.  

Depends on access.....likely will need a tow behind concrete pump to get it in place.

@Tavares Lumpkin  All depend  how you want to use your funds. 

@Ross Sib Construction costs vary wildly depending on many factors like which part of the country you are, the type of materials used, etc.

In 1980 I graduated college with honors with a business degree that emphasized real estate.The first thing I would say about your questions is to not depend on any book on construction costs. 

Depends on the lender.