Even easier!!! Just add the Amazon GNOME Search Plugin to your browser. If you search with this plugin for buying stuff at Amazon the GNOME Foundation receives a referral fee
Install Search Plugin

If you use the GNOME Epiphany browser you can add a Smart Bookmark by adding a bookmark with the following URL:

Select other Amazon Store: Amazon.com GNOME Store Amazon.ca GNOME Store Amazon.co.uk GNOME Store Amazon.de GNOME Store Amazon.jp GNOME Store