When looking for sizzling plates for sale, consider the specific material, size, and design that best suits your needs. Cast iron sizzling plates are often available at cookware specialty stores and online retailers, while stainless steel and ceramic sizzling plates can be found in kitchenware sections of department stores and online marketplaces. It's important to consider the intended use of the sizzling plate, whether for home cooking or commercial food service, when making a purchase.