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

https://www.mediafire.com/file/zdsbhy6c8mv41uy/pdf-84592-9195.pdf/file

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