In the U.S., Donald Trump recently floated the idea of a 50 years mortgage, expanding the standard 30-year term to half a century. The stated goal is simple: reduce monthly repayments and make home ownership more accessible amid high property prices and elevated interest rates.   The logic sounds appealing — stretch the repayment period, lower the monthly cost. But as history shows, what looks like affordability on paper often carries long-term risks. In the U.S., economists,