Market Fluctuations: If the market value drops, you could end up paying more than the home is worth.

I grew up in Southern NH and frequented the lakes region.

Here are some reasons why:1) The value added by the ADU addition is often significantly less than the cost of adding the ADU.

Here are some good places to start: http://www.biggerpockets.com/meet- find and connect with other BP members that are in your area.http://www.biggerpockets.com/alerts - Set up keyword alerts to be notified of the topics that interest you.And, of course thehttp://www.biggerpockets.com/forums - ask any question about real estate!

Then you take title to the new property counting both the purchase price and the improvements.I'll shoot a colleague request to you if you have follow up questions for off line.

I focus on Columbus, Ohio, which has seen significant growth, especially with tech giants like Intel, Meta, Amazon, and Google setting up operations, driving up property prices and job opportunities.

Lawyer up." 

If the former, then they each get their own lease, if the latter, they all sign one stating as a group they are responsible for paying rent (ie one doesn't pay, the others have to come up with the money).

Don't start buying the cheapest thing you can find, you'll end up spending WAY more- especially in a MFH, you'll be multiplying your losses. 

Many that had to pay part of the rent ended up in jail and never paid.