Do I need to do something official to the lease of the girl moving out? 

There’s already one in the area run by Black Diamond REI, they have meetings bi monthly. 

I'm a business student, stay at home dad to a perfect little seven month old baby girl, stock investor and homeowner.

Wow I got mentioned by @Jay Hinrichs, I feel as star struck as a teenage girl at a Justin Bieber concert. 

The master bathroom shower was about to fall through the house because of a rotten floor due to water leaks (see above picture), and the kitchen cabinets and subfloor were covered in black mold and rotten (see above picture).

I live in the East Bay with my wife, our newborn baby girl and dog.I recently became interested in real estate investing (specifically, buy-and-hold rental properties) after stumbling across the BP podcast and reading the ever-popular book, Rich Dad, Poor Dad.

Put some of the black anti-slippery treads ?

power wash itwe have a lot of trees & every year we need to power wash the black residue the trees deposit on the siding & cement patio.

My first tenants at this SFR was three girls.

If you don't expect to live on the cash flow and can keep it in the black, then maybe take out more when you do the refi.