It works that way for me too. I’m (among other things) a game developer, and a few years ago someone asked me how much it’ll cost to make a game for them after looking my name up from one of the games I’ve made.

I gave them a quote without thinking too much (“$100/h, maybe a bit less if it’s something really interesting”[0]) and they were shocked, saying something like “I didn’t think you made that much money from these games!”. Well, if I did I wouldn’t be taking on contract work to begin with but you’re not getting the same rate as my own projects :)

[0] these days it would be more like $150/h.