Earlier quoted context omitted.
Assuming a day means 8 hours, that's only 125/hr, which is right in line with what many contractors make already. Hardly premium.
Assuming yours is the only page he is working on. He really might have dozens of projects going at the same time.
Re: Landing Page in a Day – Get a custom landing page that converts
#51Right at the bottom he mentions that only 15 slots are available, first come-first serve. So he blocks out each day for a single client.