Don't muck things up

John R. McCarthy —I'll call him Johnny—retired from Rocketdyne, Inc. He'd worked as a scientist and engineer for 35 years writing technical and scientific proposals. Thereafter, he still worked, but was self-employed, utilizing his prior experience.


On various Schedules C, Johnny listed his "principal business or profession" as writing, investing, job shopping, art, engineering, science, consulting, teaching, photography, and research. (A bit unfocused, eh?) Johnny stuck some royalties, intere...