Kind of hard to say, Travis, how many in one day.
We use a couple of backbacks, 8hp leaf blowers. Also have vac systems on all WBs and Toro Groundsmasters.
Some places only take 20 or 30 minutes. But we have one job in the Fall where all the leaves can only be dumped in one spot...the customer wants them for future compost. It's at the far end of the property (horse farm) and so there's a lot of dead heading back and forth with the mowers (pia). So we charge accordingly.
Average day, probably 7 or 8.