Cathy, I have gone to using platinum/rhodium kits exclusively. I found after several years of use the cheaper kits end up worn and the plating comes off. I decided I would rather sell fewer pens at a premium price. I now sell only the best kits using the best woods. If you can find the right market, colleges with professors, traveling salesmen, particularly those that cater to dentists and doctors, etc. they will buy the best pens. And the most.....