Most of my work has set prices, but for more detailed, elaborate pieces (full-color paintings with characters and background, for example) that I can't put a definitive timeline on, I charge $20/hour.
The client has full ownership of the commission, and the right to refuse if I ask to use it as a portfolio piece. If the image is being posted on a website, some form of social media or any other public platform, however, I will ask the client to credit me.
I do not do pornographic or sexually suggestive artwork.
When working on a piece, I will do a unlimited number of small corrections (adjustments to poses in the sketch phase, minor color corrections, etc.) and 3 "big" corrections (redoing the whole piece, adding a large element like a background, etc.) Please note that if any "big" corrections are added, the price will go up. If a clients' small corrections start to add up to a big correction (redoing the whole piece entirely), I will charge accordingly.
If a client decides, in the middle of a commission, that they do not wish to continue with said commission, I will still charge for the time I have spent on the piece.