For budgeting purposes, the easiest thing to do is assume it needs all new plumbing and add another 3-5k to your rehab costs, if you want to make an offer on the property.

I'm learning the BRRRS method and want to obtain my first rental property soon. 

One of my good friends and I were talking about different investing methods and decided we would be each others accountability partner.

If there’s another method, please let me know. 

With the CAP rate method are you saying I COULD expect to pay $484,200 for the MHP?

He had some kind of beef with the SEC over some kind of investment deal or something like that, but he is a legit real estate guru and his methods align with how I got started, minus a rich father in law to help finance things.

ITs a known marketing method and it works obviously. 

So, common sense would also suggest that method may limit your business in states where that form of logic doesn't work.

Have those methods changed since you’ve first started and how do you organize them?

As already mentioned, house hack would probably be the smartest and easiest way to start, you get to learn to be a landlord and homeowner all at the same time.