You can use it in many contexts but the basic idea is for the subcontractor to suggest to the GC/Owner about various design/product changes that could save a decent amount of money.

Since the situation is different now, I'd suggest charging her your normal pet fee, and make everything non-refundable.   

any suggestion is pretty welcomed.Thank you

Any suggestions on where to buy and best way to go about doing this project ?

In our small town the fire chief will do it.Approach yours & suggest it as a training exercise for their guys.

Any other suggestions on where to look?

Misrepresenting driveway access is a fast ticket to getting sued by the buyer.In addition to the other good suggestions here, I'd suggest a certified letter / return receipt to the broker at that agency.  

I agree with what the other posters have suggested.

I'm looking for something reasonably priced in a good neighborhood that I will be able to get rented quick, and I was wondering if any of you guys had some suggested areas to invest in.

As someone who also had a real estate background and got into notes I would suggest to start in single family and buy a performing note first.