This comes up every time people ask about billing daily. You're not billing hourly, you're billing daily, so the number of hours you work doesn't matter. Some

This comes up every time people ask about billing daily. You're not billing hourly, you're billing daily, so the number of hours you work doesn't matter. Some days is 4 hours, some days its 8 hours, some days it's 10 hours. Do more 4 hour days. You're probably only productive for the time period, anyway.