While mobile homes will last indefinitely, over time the home becomes unattractive in both condition and floorplan.

A giant chunk of your CF is gone indefinitely,  and 2.)

No business can indefinitely survive a complete loss of income.

This is the favorable treatment that @Casey Mericle is talking about.However, if your seller is wanting to actually defer taxes indefinitely then a 1031 exchange is the way to go.  

What determines whether or not you to continually recycle all of your money has more to do with how much value your able to generate with each deal... example: if you're able to acquire at a below market price then in crease it's value by 25%, then there are products which should allow you to recycle your money indefinitely. 

Is it indefinite?

Thanks to Covid, the first two are on indefinite hold but the last two I can still do.

as part of the brrr method, it advertises that you can keep "repeating" the process nearly indefinitely and build up a large portfolio of rentals. 

I have spoken with a lot of new REI and the one thing that sets me apart is my code of ethics I will indefinitely work with as well as my hunger for success is second to none.

I may never see any of my money returned to me, but it seems as worse he will continue victmizing others indefinitely if he isn't stopped, and restitution will never be made.