@Faisal Zaman for most smaller landlords, there is no tech substitute for tried-and-true due diligence.

Sometimes they are accurate, sometimes not, but nothing can substitute for real life professional advice...

Substitute the bad snacks with healthier snacks.

Those of us living through it remember, and personally I'd prefer to minimize my business risk by avoiding activities like substituting fixed rate Long Term Debt with Short Term Debt.

There is no substitute for good legal assistance when there is a lot of potential liability on the line.

There is no substitute for experience.

@Hans Baum Seller can potentially lose that portion entirely if new buyer goes into foreclosure or short sale, so most who will even consider an assumption usually require a buyer who can go through proper VA assumption process and substitute their entitlement.

There is no substitute for knowing the numbers of RE investing!

For that alone they deserve our time - they’re not trying to tear down capitalism and substitute “Stalinist socialism” like so many other misguided others.      

In the deed of trust or mortgage you place a “substitution of collateral” clause2.