For example, we've recently taken over marketing internally because the property management company was not experienced enough in using the newer advertising methods we need to pursue.

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

Quote from @Paul Lucenti: Creative methods tend to increase risk.

I take a methodical and pragmatic work approach. 

Hey Themis - I used a similar strategy in my first year investing in Cleveland, focusing on the BRRRR method with SFRs, and it worked well.

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. 

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.

Hey @Max Smetiouk, so a soaking tub in the master bath is a nice thing to have, in the middle of the room, no so much.

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. 

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