EBay charges sellers a commission on shipping charges. I have been forced to raise the price of shipping to accommodate this. I usually charge $2 to $2.25 for a chip.

I applaud those who watch the shipping rates and bid accordingly. I do that too. I did an experiment a few years ago and determined that you/we were in the minority. I got more bids and more sales by marking the item low and making the fees high than vice versa. I do not follow that practice (eBay eventually cracked down on unusually high fees and also separately judges that as a feedback item), but it would have been more profitable for me to have done so.