Hourly. I have done both. There is always and always scope creep. For hourly charges, bill in block of, at least, 4 hours. I usually give client estimate, so t

Hourly. I have done both. There is always and always scope creep. For hourly charges, bill in block of, at least, 4 hours. I usually give client estimate, so they have some rough idea of how much project would cost. I did fixed price in beginning of my career and always went over my estimates. Perhaps I was just too inexperienced.