I think what you’re referring to is a checkbook IRA so you can bypass the custodian when performing transactions/investing and all assets/accounts will be held in the name of a special purpose LLC or Trust which is the instrument that gives you checkbook control.  

If you have hired a specialist to perform a cost segregation study of your real estate property, they will likely use one of the six most common methodologies recognized by the IRS.

and maybe change the water once or twice per year).I always consider 40% of what sales person say, matches the actual performance.

A good manager can improve performance for a mediocre investment; a bad manager will kill a good investment.

Then again this would also mean that I'd need to build a small team, and I'd need everyone to perform whereas they're bringing it all in one.Another big thing here is the risk - as I said above I have a fairly pessimistic view about the economy in the next couple of years..

You could just invest in a fund that should out performed what you are doing. 

If you are interested I could get you detailed information on where STR's perform best within the country.

My primary focus right now is on finding opportunities to generate passive income through real estate investments.As a beginner in the field, I’m eager to learn from others who have gone through the process and are now experiencing the rewards of their hard work.

The bottom line is that past performance is no indication of future returns.

Perform this research by using the rent comp tool on BiggerPockets as well as FB marketplace, Zillow, Craigslist, etc Also for those 15% of units that are “at market”.