Believe it or not, the impact of dirty, dusty, insect-laden globes, diffusers, reflectors, or shades on your fixtures' light production and efficiency is enormous. So, if you're aiming for efficiency, get up there and clean them off!
If you are working outside of your shop or garage, running for individual tools can slow down a project. Instead, stack all the tools or toolboxes you will need into a wheelbarrow. Then you can wheel off to the job fully equipped or invest in a rolling project center.