Surely six collections is enough to dissuade you from these tenants and is a reasonable cause for rejection; if not then suing their present landlord should be, at least in your own mind.

I know you cant reject someone for having a child but children can cause alot of damage.Would you rather have a small child in the house and worrying about them drawing all over the walls and ruining the floors and other things or would you take a pet?

One house I even gave offer 10K higher than listing price but still all my offers are rejected.

I once funded a project years ago out of my pocket after months of rejections for investors, traditional banks, and so called hard money lenders.

Property hasn't been listed for very long and is a good one, so I'm very ready to reject it or be especially tough in negotiations.

Not everyone is truly professional and many take perceived rejection personally.You already know you need to find what works best for you.  

Then yesterday they told me they were going to reject my application because I told them I wanted the credit because my wife was starting up a home based business and needed that for reserves.

He refused that cash deal saying it was not a high enough purchase price, only to get cold feet with our deal, terminating and going back to accept that offer previously rejected.

Just walk away if the price does not allow you a profit in line with the amount of risk you will take in buying the property.Many people say that strike off properties are the rejects of the tax auction. 

you've probably done some of these steps (as you engaged a lawyer already).1. submit application for it.2. receive denial on application3. if rejection of application doesn't state actual law/reason, request a formal one/hearing.4. if still not satisfied, file for appeal of decision.Note: make sure you have all your stuff above done by written correspondence or via lawyer.Note: Have handy at the appeals hearing actual proof of other properties with shared wells (just make sure they are like type properties).Note: Check town records to see when the other wells were installed.