If I lose, break, or for some other reason find myself needing to buy a pencil, I don't go to Staples and gawk for an hour at the wall of mechanical pencils. I hop on the Amazon app on my iPhone while I'm waiting in line at Starbucks and order a couple to show up at my door step in two days.
There is a reason why Barack Obama has an extremely limited array of suits in his wardrobe. Decision making, no matter the type, is stressful. Eliminating unnecessary mental taxation is essential to stay sharp for the right moments.
As Patrick Rhone points out, you may need to spend more time contemplating final decisions: decisions that can't be changed once completed and have little to know fallback option in the long-term.
Decision making sucks. So let's make as few of them as possible.