Beyond the 50 Percent Threshold Lies True Replacement Economics for Failing Units
https://urgentappliancerepairsacramentohomewarranty.trexgame.net/failed-parts-determine-whether-your-75-150-service-call-leads-to-repair-or-replacement-1
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