> But as much as I’d like to switch to daily/weekly billing, it feels like I would never allow myself to leave the desk to run errands, play with the kids etc -

> But as much as I’d like to switch to daily/weekly billing, it feels like I would never allow myself to leave the desk to run errands, play with the kids etc - because I promised to work the (whole?) day/week. Bill by the project and this problem is solved. That said, I'm one of the weird ones who prefers to bill hourly whenever possible.