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)
But in most cases the goal is to keep retention rates as high as possible, if only because it's expensive to land new customers. The same data lets you calculate customer acquisition rate. You picked up 40 new customers, so your acquisition rate was 20 percent.