For example, your credit card could have a line of credit up to $25,000 but you don't pay anything as long as your balance is $0.

High Credit card utilization is better than a abundance of missed payments or recent bankruptcies.

So you get more deals than you can do without spending a dime on any business cards, letters, or anything else? 

You can always ask for a copy of the SS Card along with ID and Pay stub.Yeah, they have to verify you because you are requesting other peoples information.

I'm currently working through my credit card company since they provided email proof admitting their data is old, at least in the two states I am working in. 

Examples to kick it off: adding solar panels, vending machines, advertising space, allowing credit card rent payments w/ fee. 

A non-resident alien for tax purposes is a person who is not a U.S. citizen and who does not meet either the “green card” or the “substantial presence” test as described in IRS Publication 519, U.S.

No built in direct mail post card campaign in reireply, which I don't care.   

Sometimes when people move out others forward their mail to a different address to steal the credit cards, etc. or for identity fraud.

I've heard in some states it's illegal to give referrals to realtors that are monetary, including gift cards.