A small job deserves attention to the details that make it useful to its owner.

Size does not decide how much a piece of work matters to the person receiving it. The shelf is small to you and it is where their books go every day, so the level, the fixings and the two minutes of cleaning up are the entire experience of it. Small jobs are often where reputations are actually made, because they are the ones people can judge without expertise.

On the next quick task, spend the last five minutes on the finish rather than the speed. Ask how the thing will really be used. Then do the small part that only the owner will notice.