The yards are full of junk and the pools are green or empty.

No matter which investment strategy you use, make sure you have knowledge of all the basics to understand risks and fees that could eat into your returns.

Read David Green BRRRR book.3.

If it's drywall/plaster construction and the wall cavity is open at the top (and accessible from the attic), you could fill the void with cellulose insulation (such as Green Fiber - available at any Lowe's or Home Depot) from above.Even if it's not accessible from the attic, you could easily cut a small opening near the top of the wall (maybe a few depending on the span and the stud spacing), fill it up with insulation, and then patch & paint the hole(s) you made. 

Tennyson St itself serves as an outdoor mall type experience with various eating establishments and shops as well as multi-level multi-familes front and center to the action.

Not spending as much on gas or eating lunch out everyday. 

Rental Property Investing by Brandon Turner and the BRRRR book by David Greene.   

Never let them get ahead of you with the money because then you’re more likely to wait and eat their lies than to fire them and hire someone else who will show up and do the work.

I am a big believer in you give a man a fish he eats for a day, you teach him to fish he eats for a life time.

@Brian Stike, I recommend reaching out to @Josh Green.