Deciding what jobs are important for you to do, and which jobs others can do more efficiently, is important. It is really tough to do it all well and efficiently and the tasks don't all pay the same.
Paying a lab "a few measly bucks that the bride is already footing" means I get to spend a week marketing and selling new work instead of processing.
Sales pays more, in fact selling something is the only way to get paid if you are working for yourself. It it the most important job a pro photographer has, bar none.
That's the magic of Jose's workflow, he get's time to go sell.