I had the house in clean and clear condition as to how it was prior to my move-in.

Every area in the country I’d suspect has suppliers tgat should have less expensive cabinets, fixtures, carpets, vinyl/wood flooring etc. 

I cleaned the property and refurbished the septic systems that the neighbor was most interested in.

We cleaned up the issues and problems, and maximized the income which increased my NOI.

CPAs generally charge more to amend a return especially if it's a mess so self-filing and having a CPA clean up your mess later, if you get it wrong, won't necessarily be cheaper....

-does the interior need cosmetic updates - paint, carpet, lighting, or even heavier cosmetics - appliances, kitchens, bathrooms?

Is there carpet ? 

Try this:  (Source:  ervicemasterclean.com/blog/how-to-get-dog-or-cat-urine-smell-out-of-hardwood-floors)How to Get Dog or Cat Urine Smell out of Hardwood Floors ...Pour the hydrogen peroxide over the stain and then cover it with a clean cloth soaked in hydrogen peroxide.

I've heard of mentees who started cleaning up construction areas on a flip at the end of each work day or picking up supplies at Home Depot and delivering them to the job site.

Provide cute, clean, comfortable places for guests.