Nothing is wrong. Some of the best contracts I had were fixed cost (which is my preferred way to work over hourly). But - you need to be familiar with the syste

Nothing is wrong. Some of the best contracts I had were fixed cost (which is my preferred way to work over hourly). But - you need to be familiar with the system you'll be developing in, very good in what you do and price it at several multiples of your hourly assessment. I really, really don't like working hourly - I'm not selling my time after all, but my services.