Many opt for other investing methods in their SDIRA like private lending, crypto, private equity...anything except collectibles and life insurance.Note that a Solo 401k is exempt from UBIT on leveraged real estate so if you have self employment activity and no full time employees save for you and your spouse you should consider the Solo K as an option. 

But I usually heard this from people who had never owned a business before, didn’t have the cash to back up their plans, and often were planning to maintain full time jobs.My advice: Start with one business.

@Treza Edwards "I am reading the Rental Property Investing book and implementing the method that focuses on cash flow and that strategy states you need to have $300 cash flow per month, per property.

And while nothing is foolproof the most consistent method of finding good vendors is relying on OTHER real estate investors that have worked with those vendors. 

There are also people who swear by one method or another.   

I'd send out 500 at a time, using a different mailer/method weekly.

What are the best methods to independently verify zoning and land use data to ensure compliance with local regulations?

What's the highest success percentage method to find a previous tenant's new address for this? 

I’m also in the early stages of exploring real estate investment, and it’s been helpful to see how others incorporate different tax strategies and asset protection methods.

Each lender can use their own methods of qualification on commercial properties, and most look mostly at the asset (with the exception of your FICO, experience level and reserves).