Welcome to BiggerPockets, Steve! 

Determine local/state laws regarding wholesaling and determine if (1) you need to be licensed in the jurisdiction you’re considering and (2) if you’ll be able to operate profitably while remaining legally compliant2.

They're practically giving them away compared to 2021 prices.

You can do a subject to transaction but that is not legally assuming the loan.the banks got rid of assumable mortgage long time ago. 

I don't agree with this exact order but to be honest and fair, there is more than one way to do it right.

Some states allow the owner to hire employees to work on their behalf.

@Mindy Rosscup, you want a contract that is specific to the laws of your state.

While I am not new to REI, I am new to mobile home /parks investing.

If you buy in a place you want to use, you just have to make it pay for itself and sometimes you can do that in one long stay when you are not there.

Another thing to consider is if you want to setup "single-asset" LLCs that only over 1 property to further limit your liability.