From Fannie Mae Web Site

B2-2-03, Multiple Financed Properties for the Same Borrower (06/01/2022) (fanniemae.com)

Please Pay attention to :  DU - 10

 (DU maximum is 10.  DU  is Desktop Underwriting, means computer automatic underwriting. DU  is for people with good qualifications.  People with poor qualification can only  use  manual underwritting and can not use  automatic underwriting) .

You should find similar info on Feddie Mac's website.