If I understand correctly your siblings goals are to sell their rental properties, use the funds to purchase a primary residence they'll eventually move into, and limit their tax liability correct?

You are correct, local banks would go in and sit with them and go through rates and financing and understanding the payment.

They have the correct lease agreement and disclosures and make it much easier.

Perhaps @Natalie Kolodij can clarify or correct me if I'm wrong. 

Check with your lender to make sure you heard it correctly. 

Sadly Martin is correct.

I'm correcting the misinformation you are posting and trying to get further clarification on what you are posting.

This is correct. 

Correctly it should be called the STE calculator.  

Hi @Noyessie Hubert that should be correct.