Lastly I think the seller may have a legitimate complaint against his realtor.

Michael seems legitimate and is preparing to send us a due diligence package.

A Co-host is likely not licensed and insured.If I were to get someone else to run things it would only be a legitimate local Property Manager. 

Things get more complicated if you have a legitimate reason to believe the person is lying to you.

You may need to make 50 legitimate offers before you get one accepted.

If the terms sound too good to be true, something does not feel right, or it’s not right situationally, it make not be legitimate. 

You need legitimate self-employment activity or business with "earned" income to be eligible for a Solo 401k plan.You can't contribute passive income from schedule E, but earned self-employment income from schedule C is eligible, so your understanding is correct. 

Legitimate hard money lenders and private lenders may not ask for business taxes, bank statements, or other documentation but they will ask for much more money down, their terms are usually 12 to 24 months loans, and higher interest rates.

@ sole Angel Identifying a legitimate lender involves asking pertinent questions to gauge their credibility.

As much as I'd like to find a legitimate private investor, I am now leery of who I am talking to, which leads me back to "larger, super high interest prepayment penalty corporations".