Which work's great for this seller finance situation but it never came up until we are now in escrow.My question/concern is if they run my report and do not like that I have a lower score then they find ideal can they cancel the deal?

Depending on the loan amount, fico score and reserves you're looking at 5% to 7% in most cases.

Keep your debt ratio down, and credit score high as possible.

For a fee they want to help setup and build my business credit rating PAYDEX score vs personal FICO score.

You get a "Fido" score that tells you the estimated risk level of the pet and then can determine how much to charge the tenant based on that score.Seriously, check it out.

Now I just want to get rid of it, also I'VE BEEN SITTING ON A GREAT DEAL ALL THIS TIME .I've been positioning myself  I have grown my FICO score I'm only about 20-30 points away from a 700 between all three bureaus, and I'm starting an LLC to acquire a line credit to use for a down payment on a hard money loan.

The partner with the most capital to contribute and probably the most knowledgeable on the real estate business has a pretty bad credit score.

Determine your rental criteria: credit score, evictions older than  years or no evictions, etc.

They have helped a number of investors improve there score.  

They all look to have good credit scores except one.