I feel like the lack of preparation for people who are going to be realtors is the reason why most fail, so I want to prepare the best way possible.

Alliance Environmental did a pretty good job for us finishing the asbestos issue (paid by our insurer) that the first abatement company failed to finish and in the past month they addressed a black mold issue (We paid, not paid by the insurer) in a fairly timely manner, with good communication. 

Just a flipper that keeps his property as a rental, which is what many flippers do when they fail to sell.

If they refuse or fail, hit them with the fine. 

“A Borrower may be eligible for another house with an FHA- insured Mortgage if the Borrower provides satisfactory evidence that:the Borrower has had an increase in legal dependents and the Property now fails to meet family needs; andthe Loan-to-Value (LTV) ratio on the current Principal Residence is equal to or less than 75% or is paid down to that amount, based on the outstanding Mortgage balance and a current residential appraisal.”https://www.fha.com/fha_article?

Make sure you write a lease (even if MTM) at market rate that is voidable upon sale fail.Would-be buyer agrees to vacate within 48 hours of written notice of sale fail. 

. :) )  You may have heard entrepreneurs like Elon Musk, Richard Bransen, etc say "Fail early, fail often". 

Even experienced contractors do every calculation possible based on their years of experience and they fail on many projects.

Learn;  Do it; Fail, but learn; Do it again.

I have no issues telling people, we can recruit your way or mine, we just need to determine upfront, so when they complain we can address the issue of failure.That being said, sometimes letting people fail (do it themselves or work with someone else) gains you more money upon their return.