Does anyone have recommendations for mortgage lenders who provide primary mortgage options to RE investors based on their cash flow, assets and credit scores? 

Working on the credit scores. 

I am looking for a owner finance deal in FL.I have a good credit score but low cash funds to put towards a deal.What are my options or advice you can offer me?

No increased credit score or down payment requirements if I understand correctly.  

So a good credit score will decrease your premium. .  

@Nancy Brook being in a bad section of town you might have a lesser pool of interested buyers.

Credit score is around 600 Salary is currently $30k, but will be making $50k when he moves to Nashville and begins working with same company as Guy #1

My credit score is above 800.

Here is an example of what I pass out:Minimum credit score of xCriminal checks must not have any felonies No misdemeanors within the last 5 yearsNo evictions$75 per adult non-refundable application feeSecurity deposit of 1.5x the rentNo partial payments accepted for move in rent or security depositPets on a case by case basisI don't have one in front of me but I think I covered most of it.

Either way you'll need to qualify for the loan in regards to income, other debts, and your credit score, etc.