Refilling a Zippo Lighter. 1  1. Use authentic Zippo Lighter Fluid. 2  2. Remove the chimney cap. 3  3. Flip the lighter over.  4. Squirt your lighter fluid in to 1  fill. 5. Push the top felt pad back down.  6. Insert your lighter back into the 1  casing. 7. Test your lighter.
Customer retention: the stats. 1  Increasing customer retention rates by just 5% increases profits by 25% to 95%. (Bain & Co). 2  Attracting a new customer costs five times as much as keeping an existing one. (Lee Resources 2010) 3  Globally, the average value of a lost customer is $243.(KISSmetrics)
Retention rate is the ratio of the number of retained customers to the number at risk. This term should not be confused with growth (decline) in customer counts. Retention refers only to existing customers in contractual situations.