Consider setting up regular inspections to ensure the property is being well-maintained and address any potential issues early on.

It's not that lenders do anything on their end to fix your score, but they can pull your credit report and identify the areas that are harming your score and then set up a plan to help you fix those. 

.* Septic maint- Yeah... no current cost but if you are pumping say one tank per year at $300 you should set aside $25 per month on the expense

You won't make any money because you will be starting into an endeavor with the wrong mind set. 

We have a set limit that we have for credit ratings.

If you are set on meeting in person then I would recommend @Nate Meeker

Pay me thousands of dollars and I'll set up your website to fix that. 

People set fires because they trigger A LOT of insurance money.

I did set those up, but I can’t attend to guests full time anymore.

I think it is worth setting up a meeting with a few companies specializing in real estate and seeing if there potential for savings.