I think it's all about compromise. I mean if you feel you have to have a visit to a salon to follow these requests then I'd say no don't do it, it costs money and almost as much as a 30 min booking anyway! I don't mind the odd request of certain outfits if I have them, but I wouldn't purposely go out and buy them. I understand the longer you've been doing this, the amount of clothing etc you have is going to be much more varied than that of someone who's just starting out. So basically if they are polite and it's not too much trouble/expense for me, then it's not a problem, but if they are demanding this is what they want or else, then no, I would not.