Typically these switches are in the vicinity of the furnace and not easily mistakenly switched off.  

If you are buying in a LLC there is typically a loan agreement and personal guarantee that is common

These are really questions for your attorney - the more typical scenario for a jv like this is you have a new LLC where you are the manager of the LLC and the investor also owns a percentage of it.that way you don't have to deal with transferring it etc. 

Yes, typically for accredited investors only (although they often accept up to 100 investors).I have seen a rare TIC based one and yes...more typically DST.

Quote from @Brandon Croucier: 20% down is terrific on land.It’s a non income producing asset which has increased volatility, typically I see 65 LTV max on land as of late.Thank you Brandon!

Multi-family properties typically draw transient tenants, singles or couples without children, who stay only 1–2 years and cause moderate to serious damages.

Typically, we would only do an initial tenant screening at the beginning of the least. 

I log into the accounts but guests typically just log out and use their own. 

Typically lenders do not allow this but if they do you would ahve to go through a full underwriting to confirm you qualify to make the payments.

W what typically went wrong in your case?