What you're talking about is referred to here as house hacking.  

Can't image someone could stay there overnight. 

Also they are referring us to local lenders.

If I do property scouting for an investor, how will I know if they close on the deal I referred to them or not?

In case you're wondering...the owner financed families we have - many fall behind - but find a way to get caught up, take care of their home, and even thank me, and many have referred their friends to me who are looking for a home.

"- DJ BenedictAs a bird dog could I write or track down owners and just inquire information about their property then refer them to my broker friends?

i've often seen BPers refer to residential rentals as A or B class.does the same apply to commercial/retail rental properties?

No worry about that lien.I think what Adrien is referring to is an IRS lien as opposed to a property tax lien which is what I assume you are talking about.I get the sense you are new and don't know how to proceed regardless of the lien. so in simple termsEvaluate the property, how  much is it worth in it's current condition?

The only reason I would refer my lender is because I trust him that he will do a good job and actually close the deal!

The area near Stratosphere is referred to as the Naked City.