>>108146070He probably spends just a bit more than an hour or two every weekday (he has weekends off) working on it, using shortcuts like copy pasting faces and copy pasting backgrounds that are already minimalistic. The story is often determined on the fly by fan speculation in the forums concerning whatever current arc, or arcs are just abandoned and the story switches gears completely in the middle or after a quick dissatisfying conclusion. And this is his only job.
I think one of the big reasons he updates so much more frequently and regularly than other webcomic artists, is because other artists actually give a shit about their product. For Jacques, the update schedule practically IS the product.