1. Look at the performance of a campaign historically for a set period (say 3 months)
2. Find which days/times have never lead to a conversion (ie Fridays) and then actively pause a campaign on those days.
3.Then unpause a campaign the following day (ie Saturday) and,
4.Reallocate the previous days worth of budget to that day.
5.Reset and reassess each day to make sure monthly budget is solid and doesn't overspend