selling notes do not have to get permission from the payor on the note to be legal nor do they have to notify but its common to notify so you know where to send your payment.

:) )4) Do you heat/ air condition the common area?

Quote from @Allison Park: Software is a common question on BiggerPockets.

I understand some of the downsides to section 8 - but if you get good tenants in your units (you do get to pick them - a common argument for investing here )I see it  most hopefully being a relaivelycomfortable cash flow opportunity.  

No way, unless you're talking about a multi-family common area.

He paid for common area access, built a bed in his Land Cruiser, pocketed the rent but we had agreement on what the pocketed money could be spent on (seeing we were paying the rent). 

Another common challenge is the tenant quality.

I would be beyond humiliated to come to the office that many times in a row, not caring about bothering someone or stopping them from what they are doing to have them walk their fat pregnant butt to their home to let them in all because they dont care about anyones time but their own!

It is very common in this industry since there is a lack of regulations on business purpose loans. 

The detectors simply need a common wire such that one goes of, all go off.