Returns will vary with the level of risk - for example if there was a "crypto currency fund" that targeted 15% or a US Treasury Fund targeting 4%, most would be like of course 15%, but risk is also a major key component. 

This is more of a business that has a real estate component rather than a real estate investment.The other RV Park was near Lake Conroe in Texas.

@Abhishesh AcharyaOne key component is experience as well.

I've built in the value-add component(s) with construction and it produces with great efficiency.

So would it be safe to assume that refinancing successfully is a key component of a good, solid BRRRR strategy?

We set up the LLC through an online company but feel like the technical/logistical component was lacking (i.e. when to file, how to file, etc.) 

The absence of any full time non-owner W2 employees in any business you or your wife may own.If eligible, the Solo 401k offers much higher contribution limits, no custodial requirement, built in checkbook control without an LLC, built in Roth component, spousal participation, participant loan feature, exemption from UDFI tax, to name a few.

The stairs, toilet, sink, and faucets as well as the roof, wiring, plumbing, HVAC, and water heater are structural components of the building structure and are depreciated on the same 27.5 year straight line method as the dwelling structure itself.  

Turnkey investing has no rehab component.

Ensure all the major components are replaced or you will be replacing them yourself in a year or two.