The context of the following conversation is Carson decided to save money for his family, and instead of getting his haircut, he cut it himself.:
Carson says So, I need your opinion..
The friend responds Of course, how can I help you.
Carson responds I'm deciding if I should save my last 30 bucks on groceries or spend it on a haircut.
The friend responds Maybe you should just save it and cut it yourself.
Carson responds Gee, why didn't I think of that!.
The friend responds That's why I'm here for.