Commission, should i?

well, this time i really need a lot of money for my little project. My style, as you guys already knew, is kind of cutie, childish and funny. Actually i did also have interested in dark art and more adult. I come to think about opening commission, what do you guys think abot this idea? Should i do it? And what price that i should ask for a commission? I really appreciate if you guys take your time to give me some advices.