I am totally new to REI. Im here in Southern California, I wanna know how the market is here in terms of BRRR's and mid-long term rentals. My goals with REI is to generate as much cashflow and appreciation as possible...

You can charge up to but not more than what the local power company rate is in your area.

does someone have power of attorney for the tenant? 

Pick your plan, look into the Kansas City area, use market comparisons, check your money power, look into loan options, put together a team, check cash flow, ROI, and Cap Rate, and make your bid after careful checks and talks.

The site already has power and city water.  

REI can be a powerful way to build wealth.

I was able to buy a 4 unit for 75k through my credit union in Upstate NY Hi Nick,I went through Rocket Mortgage. 

I thought I could use BP's collective brain power to help educate myself further on this subject.

Not rocket science to figure out where to get deals.

In other words, each series can have its separate rights, powers, duties for specific assets or liabilities and can have a separate business purpose.