The 50/50 Rule Protects Your Appliance Operating Costs Through Energy-Efficient Repair Decisions
https://www.livebinders.com/b/3720878?tabid=6de3aba6-46fb-b501-5d31-67346a201598
The 50/50 rule for appliances uses operating-cost math to guide your repair-versus-replace decision: if the cost of repair approaches 50 percent of the appliance's replacement price, and the unit is already past its midlife, replacement becomes