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

Why do banks finance shared construction as mortgages instead of financing it directly and selling the apartments in a building?
The core competency of banks is to lend money from depositors and re-lend that money to borrowers.  They do not have the expertise to develop real estate.   They have trouble evening managing foreclosed real estate, such that they have to sell them at a discount.