Balloon" framing (1920's I believe).Radon.Plaster and lathe instead of sheet rock (pre 1950's) or plaster and wire mesh variations (50's) more solid than sheetrock but a real b*tch to repair or demo if you're remodeling.You've got Galvy plumbing but also need to look out for other kinds of outdated plumbing like clay sewer lines (pre-1930's, prone to collapsing, bellies, root intrusion), cast iron (1950's, often rusted and/or cracked by now), and PB (polybutylene, gray-colored water pipes, 1980's, prone to rapid degradation and subsequent bursting, mostly gone by now).Buried Oil Tanks-- Do you have those there?

As I was masking off the floors to start painting, I got hit in the face with with overwhelming ammonia smell from that corner.

@Jonathan GlancyGive us some color is this you going all in on high cash flow real estate? 

Change light fixtures, accent walls with pops of paint color / board baton wall or two, updated decor. 

Size and color?

Common stipulations include rules about landscaping, exterior paint colors, parking, and property modifications.It's crucial to thoroughly read and understand these guidelines.

Does anyone have a go to LVP type/color for there buy and hold rentals?

You need more colorful accent walls, take those stickers down, it looks like you phoned this in and spend an hour theming the entire house with a $200 budget.

As long as the island granite/quartz countertop blends well with an overall design, does it matter what color I get?

Color in areas you are interested in with green and not interested with red.