That Adam is NOT the SELLER of the chip

If you would bid on the auction using Adam's Link, he/she gets paid some small percentage of the auction.

He's using Affiliate marketing via eBay to direct people so he can make money.

https://community.ebay.com/t5/eBay-for-Business/How-to-Get-Paid-to-Promote-eBay-Listings-Even-Your-Own/ba-p/26163607