The 50/50 Rule Protects Your Appliance Operating Costs Through Energy-Efficient Repair Decisions
https://telegra.ph/Ignoring-refrigerator-decline-costs-thousands-in-collateral-water-damage-and-food-loss-08-13
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