It also clears the mind if one clears out the easy ones first. It's like when I feel like working on the car, the first thing is clean the garage.

(If the reports come in faster than they can be fixed, of course one can never catch up regardless of the algorithm.)

In (software) engineering you want to take on enough of the hard stuff early on, to make sure you're not painting yourself into a corner with naive solutions...

There is always the concern that one has made a fundamental error. Can't worry about it too much, though, or one will never get anywhere.