Direct mail, driving for dollars, pay per click, bandit signs and the list goes on and on. 

Did you or your roommate sign a statement that said all was good at checkout?

Get a local real estate agent (maybe someone that just begins his RE career and will appreciate the $$) and sign a rental listing agreement, normal commission is ONE month rent.4.

It is always possible to sign a contract with the lien holder regarding a repayment plan. 

Has not signed anything yet. 

One of the tax guys will know, but I've got to guess that the seller will owe the IRS regardless of what you call the LLC or the transaction.

I have signed up for Various Real estate investment groups in the areas and look forward to meeting fellow investors ...

Can a seller cancel a 30 day contract one day after signing claiming that you didn’t tell them you were a wholesaler and you let them know that you are real estate investor

1) That’s the basic relationship, Transaction Broker, 90 plus % of the time anyway. 2) make your contract, Including inspection dates, final financing and closing dates tied to the completion of roof, a passed Final Permit Inspection. 3) The commission is not detailed in your purchase contract.  

Of course you could work for a property management company that already exists as an agent and do a good bit, show properties, sign leases, and other agent only duties... but if you want to open your own, you will have to work under a broker for 2 years and become a broker yourself.