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Does this mean, reducing or increasing the bids to keep yourself at #2 or #3? Any view on this?
Interesting though... Why pay people to do it 5 days of the week, if it works perfectly fine on the weekends?
Don't get caught up too much in what technology someone is using, its more about what they do with that technology to reach your goals. Someone using Excel, might be a better optimizer than an automated solution...
There are algos that will let you bid by week of the month, day of the week, hour of the day. But this makes sense only if the KW is extremely competitive and lucrative (insurance, mortgage, etc) where your ave bid is above $5..