Analyzing income and expenses will give you an idea of what kind of free cash flows you can expect based on your invested dollars.Globally speaking, ROI's can range all over the place depending on so many factors (purchase price, terms of debt, occupancy, rehab efforts etc.).

You can probably find someone to do it for $500-800 per house depending on the size.  

We work with several portfolio lenders, it all depends on what you're looking for - everyone has their niche.

Depends on type of loan.Finally- I was also told the minimum I would need to put down is 20% - 25%?

Depends on neighborhood and the vintage.

As for "how" I would invest the $63,000 would depend on they length of the loan.

A lot depends on what his resources and experience and goals are.  

still good potential for families looking for a home to rent and prefer more privacy. depending on the home, area ,etc. maybe a better caliber renter and less turnover of you can find a long term renter. make certain to still do background checks and try to get them to maintain the lawn, etc. they should pay electric and heat but keep the water bill in your name but still try to bill them for it.

I would assume that in a flip it depends on the situation.

The latter, well, everyone has opinions because it's highly variable on personal preferences and dependent on location and type of STR.What do you want to know?