Now that there’s a new property owner, Does the tenant get to keep new washing machine after he moves out or does that new washing machine technically belong to the new property owner?

It's a great niche in the right market.

Maybe you haven't Purchased yet and are waiting for the butterflies to leave you stomach so you can finally buckle down and start using those Bigger Pockets Calculators and punch in some of those zillow listings you've been eyeing to see if they're worth it (currently my position lol) Im a new forum poster and also bright eyed and bushy tailed in the world of real estate, looking to hopefully gain some real world insight to couple with all the technical aspects of real estate investing!

Might not be able to provide the most technical advice, but would love to share everything I know of the area.

It could be as little as $1.00, but I suspect technically there needs to be consideration on the deed. 

Technically your written mortgage you gave to the Buyer is not valid, since the deed to you has not been recorded yet. 

If you’re going to find a niche understand what happens during all economic cycles.

They are investors themselves, and they specialize in house hacking clients, it is their niche, and they are awesome at it.

Eliminates you having direct exposure to the cattle market and a manager themselves though.This is purely anecdotal, so take it for what it is, but from my perspective the beef market here has "niched down" more recently.

If you're doing it long distance, you will want trustworthy people you can rely on since it may be difficult or impossible to get there yourself.I'm in Tokyo but my target niche is legally zoned STRs in Hawaii.