The 50/50 Rule Protects Your Appliance Operating Costs Through Energy-Efficient Repair Decisions
https://www.hometalk.com/member/253792132/amanda1673966
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