And, what is fair percentage for marketing a luxury product? 

And, what is fair percentage for marketing a luxury product? 

If you flip a property or have owned a property, by law (at least in MD, VA and DC) you have to disclose EVERY defect that you know about that property that has not been fully addressed, or risk losing your license or, at the very least, get fined for not disclosing latent defects discovered by the buyer.

Work with a mortgage broker who has access to various loan products from various companies.When it comes to investment properties, 1st mortgages are going to loan up to 65%-75% LTV. 

instead of 7k rehabs they spend 40 to 70k plus.. really nice product.

Not all blanket loan products  allow you to sell the properties out of the portfolio, so make sure you ask the question if your strategy is to sell the properties in the next couple of years.

However, if there are defects in the origination, which sounds like there probably are, you could have an uphill battle.  

I agree with @Joe Gore and @Wayne Brooks  the agent brought you a buyer for the finished product not someone looking to just purchase the lot.

Benefits of Dwolla for collecting rent-$0.25 per transactionRecurring paymentsNew Direct product which allows people to sign up with very little information. 

With as busy as everyone is, you will get a joker or a poor quality product.