So I have a client that I built a site for a few months ago, it's an online leather goods store and they're launching ten new products over the next ten days for christmas that they want me to add to the site - anyone have ideas for what would be the best way to go about charging for this?
They are really difficult clients that I very nearly fired due to their constant nagging for out of scope work at inappropriate times (weekends etc, that they never paid extra for) and now they have given me one days notice for these additions and asked for them as a 'favour'...
Is it wrong of me to simply give them an hourly rate and do the work under that regard?