Educating yourself with BP is key and putting together a team is key. 

Otherwise, there are over 20+ CPA professionals/firms here in Biggerpockets specializing in real estate (key point).

What is your price range for the small MF and are you looking turn-key properties or something along the lines of a "fixer upper"?

Another key benefit is diversification; an SDIRA allows you to include real estate in your portfolio, reducing risk by spreading your investments across different asset types, which isn’t possible with a standard IRA.Moreover, assets in an SDIRA often enjoy protection from creditors, adding a layer of security to your investments.

The rules and payment standards vary significantly from one area to another, so familiarizing yourself with the local housing authority's procedures is key.

But balance is key—keeping some cash reserves for unexpected expenses is critical.Lastly, I’d recommend running detailed numbers to ensure the property cash flows well, even with conservative estimates.

Building relationships with lenders, agents, and investors will also be key to scaling your portfolio.

The following are the key items I would recommend investors pay attention to:A. 

But the real key is to find motivated sellers.

And due diligence is key with good tips from @Mike G.