Beyond the 50 Percent Threshold Lies True Replacement Economics for Failing Units

https://www.slideserve.com/arthusobkn/how-the-50-50-rule-guides-sealed-system-diagnostic-workflows-in-appliance-repair

Most refrigerators last 10 to 15 years, but the real replacement decision hinges on the sunk-cost risk of over-repairing past the 50% rule: once repair costs exceed half the price of a new unit, continued repairs expose you to repeat-failure liability