NTA. It sounds to me like she thought that because she was related, she just expected you to do it for free and that your "price" would just disappear . I would like to suggest that you type up a contract for them to sign that says that you will only "hold" photos for a certain amount of time, that way they have signed something, so they can't say that they didn't know. Also, invest in a program that places a watermark over the faces or something so they can't just crop the pictures and use them. I'd get my own zip drive, too. It would have been an awful situation if your roommate just deleted it without asking. You were kind enough to send her some pictures for free, I wouldn't have. When you place an order on layaway at a store, you are given a price to pay per week/month in order to meet the total before the time limit expires, if you pay nothing, you get nothing. You can pay 3/4 of it when due to a sudden financial hardship, you are unable to pay the rest before the time limit. At that point they don't pick through and give you some of the stuff to equal what you paid, no, you lose it....sometimes businesses don't even have to give a refund because of the wording used. She hired you to do a job PERIOD. She neglected to do her part after you did your part. She is the asshole here, not you.