I agree with all of this. I round up to the nearest 15-minute increment on hourly gigs, and I stay 'clocked in' except for lunch, cardio, siesta, and other unre

I agree with all of this. I round up to the nearest 15-minute increment on hourly gigs, and I stay 'clocked in' except for lunch, cardio, siesta, and other unrelated activity. Even so, 6 hours is a very full day (sometimes even involves a bit of after-dinner work depending on the day), and people billing hourly like this would likely do well to consider that when setting their rate. Day rates and retainers are much nicer in this regard, and should be used whenever possible.