It's something for you to decide yourself really and I'd base it both on what you feel is a fair amount of time, along with how often they seem to be online. If the person has always responded to your communications before within a day or two, I think giving them two weeks would be plenty sufficient before moving on to the next.
In this event it's fair to tell them something along the lines of "due to the length of time that has passed I'm moving onto the next in the queue, I hope we can do business when you are ready." And if/when they get back to you with payment and you've already started another person's pic, finish it first before starting on the delayer.
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timeasmymeasure
no subject
Date: 2010-08-22 04:58 pm (UTC)In this event it's fair to tell them something along the lines of "due to the length of time that has passed I'm moving onto the next in the queue, I hope we can do business when you are ready." And if/when they get back to you with payment and you've already started another person's pic, finish it first before starting on the delayer.