What's the Cost of a Blank Key Fob?

Anyone with a credit card can get one of these things. You know, I'm sure there's some people buying them legitimately,. Some mechanic shops who don't want to pay the ridiculous amount of money because not every day you need to reprogram a key like this. But it's kind of a high upfront cost. So and where do you get these blank key fobs from? You could buy them directly from the manufacturerA lot of the time. Normally, no questions asked.