Intentional or not, your implecation is that the contractor was dishonest in his pricing and that seems unfair.

There are bad and dishonest people in every profession, if those that are licensed for their trade.

You can also use Wholesalers but they are just a little better than RE agents for finding deals and generally much more dishonest (some must be honest but I haven't found one.

Even though it would be extremely dishonest, if the seller were to hire the inspector, there is a chance of the two working together to falsify the report.

Honestly I find him a little dishonest since you said the numbers don' t work as a 2. 

If everything is not "above board" and this is an inside deal or he wants the house himself, I'm not sure there's anything that can help.I've invested in real estate for the past few years in NC and while I've seen my share of unfair practices, since they were all investment properties, it wasn't terribly disappointing and I was successful with enough offers to keep me busy.But unfortunately, my Mom really wants a house in this zip code (in demand) and I'm shocked at how disrespectful, dishonest, and downright rude realtors have been.

But, if he does, obviously you'll never use that buyer again because he is dishonest.

When rent is going into the hands of the manager beforehand, what type of systems can an investor put into place to mitigate the risk of having a dishonest manager compensate themselves?

There is no such thing as an "honest" or "dishonest" claim.

This post is to be considered for entertainment purposes only.Best regards, Lol the problem is that they are a dishonest savage.