I don't yet (mining!) make $100K/yr, I wish that I did. Closer to a quarter of that (between mining, and my disability check). Most of it, I spend on pizza, Chinese food, and Newegg / Amazon purchases. I wouldn't be surprised to find out that I spend $1K/mo at Newegg.
If mining were more steady, then maybe, just maybe, I could get off of disability, and really try to "scale up", but that's a scary thought, because it's so volatile. As for now, it's "pizza and soda" money, with the occasional Newegg part thrown in.