The bottom is already rented out for 465/ monthI will be living on the top floor. 

In addition to the size of your home, it's an 1895 house without an open floor plan.  

@Steven MitchellCut floor joints?

However, he installs new 30 year architectural shingles, Stainless appliances, hardwood and tile floors, newly painted interior and exteriors, and more.If you are going to own a property on a street of mostly rental homes, I'd suggest that you stand out from the crowd.

If you have floor space, can you put 2 or 3 standard size tanks in series?  

Your looking at properties with that many bedrooms to have mother in law suits on the top floor normally, maybe some smaller side by sides.

Time for the renovation - the two upstairs floors were manageable; time, effort, a lot of paint, and some minor fixes (thanks YouTube!)

I laid my first hardwood floor at age 12 with my dad in my childhood home and realized how much value it added to the house.

The hot water was running over the sink at a faster rate than the overflow and flooded the bathroom and the floors below. 12k later we fixed up her great adventure.

(On average, they don't take excellent pictures or make floor plans.)- I PAY my current tenant to show the house to prospective tenants when they've given 30-60 day notice to leave.