https://www.cnet.com/topics/small-appliances/products/panini-makers/

That aside, what you may not have thought of is restaurant equipment resellers. Long ago our family ran some stores and saved a lot of money setting up the kitchens by going to these resellers of said equipment. The equipment was used but more than half off new. I don't know what city you are in but most cities have such businesses. If you know to look for them.