While they are within their right to do that, they may not lie about an issue.

Most people understand you’re not going to know every answer in the book and appreciate you saying that rather than lying.

Answer here lies in the math.

I would also ask my attorney about the advisability recording a copy of the contract or an affidavit of interest as I think it's possible the seller may have found someone willing to pay more for the property and I'd want a third party to be aware of my contract interest in the property.Lastly, I'd make sure the attorney I hired specializes in real property law, particularly in the county where the property lies.

That's ridiculous, you're losing money just because they are lying to your face and won't stop smoking in the unit.

The key to success lies in ensuring you're entering the market at the right value.

Ask your agent to check the buyers track record, portfolio if possible and verifying it with the tax assessor and also ask for proof of funds as a bank statement.

I would say that our interest lies in growing and making money together rather than alone.  

He revealed how he had damaged the equipment, and lied about it being vandalized. 

This and several other statements were incorrect, so either he is financially illiterate or is lying.