Best to avoid those who tell lies and try to hide things, even if they they seem like harmless "white lies".Sorry, but it sounds like you got played.

First, define too much profit that you're trying to hide, most likely it's not big money, it's what you may think is big money or you're feeling guilty and can't explain the difference,Secondly, if you do a double closing, close one transaction then the other, the end buyer is not entitle to anything from the first settlement, unless your state has some requirement to show prices with recent sales which comes from banking requirements if the end buyer is financing, they will also want to see that sale contract before approving financing.

All I can say you need to micromanage the rehab make sure it is done right .Lots of crews blow and go ,that means they are not paid by the hour so they go faster and faster skip stuff hide etc... not all but they are out there .

They can literally just take your money and you'll have very little recourse against a company hiding behind an LLC.

We know the house in and out because we lived there for two years before selling to them in 2020, so the “cheap” selling price is not hiding anything we aren’t aware of.

I need to hide the name to protect privacy, but almost a year ago, I got disaster in one of my rental, it causes damaged roof, truss, rafter and fascia mostly.

If it is a short loan your principal pay-down may be hiding your profit.If you have other properties that are doing well, cutting your losses on this one sounds like it might be a good strategy.  

What I've kind of concluded is that this area is relatively overexposed but there might be deals hiding in the shadows. 

They don't hide things, they don't make excuses, and they don't avoid their clients.

You might be able to get some sort of credit if the seller was not hiding anything and are moral people.