This is nonsense! We have commercial property. We are not a corporate entity. Our net income from our business comes over to the main page of our tax return from Schedule E. Other kinds of small sole-proprietorships do likewise on Schedule C. Nothing will change for us except in the area of Schedule A deductions where there will be limitations on non-Federal tax amounts that can be claimed.
You may be eligible for new 20% deduction
https://www.nolo.com/legal-encyclopedia/how-the-republican-tax-plan-affects-landlords.html
Sounds like sole props might want to consider going S corp.