Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

In a house with shared ownership, if one person moves out and the other assumes mortgage, how do we determine who owns what share in the end?
This is something you should decide as part of entering a partnership with someone. Ideally before you make the initial purchase you have a detailed contract written up.  If you have already bought the house and someone is now ready to move out the easiest thing to do is sell the house. If that is not an option, you'll have to decide on a plan together and then get it in writing.