Thermostat Failures Drive the Most Repair Calls, but the 50% Rule Determines Whether You Should Fix or Replace
https://urgentsacramentoappliancerepair.huicopper.com/using-50-percent-rule-logic-to-decide-between-repair-and-replacement
Thermostat and temperature control problems represent the single most common refrigerator repair call we receive, but whether you should fix or replace depends on one simple decision rule: if repair costs exceed half the price of a new unit,