@Nathan Gesner is right, that was a result of the Trump Tax Cuts of 2018. It starts to sunset in 2022. That tax cut bill is over 1000 pages and has lots of exceptions. Make sure your RE investment and particular structure also qualifies.
Grant is a salesman, for good or ill, so before I'd take his advice, which appeared to be wrong in this case, I'd try and figure out what he wants to sell you.