Number 5 is actually the easiest to answer:http://www.biggerpockets.com/forums/93/topics/54108-buyer-s-list-how-to-As far as an "assignment contract" I hear that frequently, but you're actually looking at 2 separate documents.

You can get automatic daily, weekly or however frequently you want reporting of actual vs. budget and it also takes all your expenses from your bank account or credit cards, so you are certain to have accounted for every expenditure.  

This topic comes up frequently in the forums and blogs and there are good arguments on both sides of the question.

In the beginning, I wasn't doing BRRR, but now that I do it frequently, whenever I talk to a new lender, I make sure to cover exactly what they will and won't do in that regard.It seems that you're saying doing it as a commercial loan will make it hard for you to make the numbers work.

I am located near Philadelphia, PA and there frequently are full day events.

Unless you knew about his backstory (for which he does not talk about very frequently) you wouldn't know that he had any disability. 

Facebook/craigslist may give you a random lead here or there, and is definitely worth checking frequently.

They will not want you to update to vinyl windows and you will likely have to keep most of the exterior materials the same which means more frequent painting and exterior upkeep than other types of homes.

@Esther AdeI frequently see investors work with a capital partner and give too much away in their split, as if the capital is more important than the sourcing and operation of the property.

If you allow pets what you must do is more frequent inspections.