Beyond the 50 Percent Threshold Lies True Replacement Economics for Failing Units
https://urgent-appliance-repair-arden.theburnward.com/verifying-your-warranty-coverage-before-any-service-call-charge-applies
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