Answer: dayjob

AnswerCrossword Clue
DAYJOB

"Don't quit your ..."

DAYJOB

Nine-to-fiver's employment

DAYJOB

"Don't quit your ...!"

DAYJOB
What one is advised not to quit
DAYJOB
"The old grind" for many
DAYJOBOne might be advised not to quit it
DAYJOBRegular employment, typically
DAYJOBGig that might subsidize another gig
DAYJOB"Don't quit" it
DAYJOBRegular employment
DAYJOBWhat a struggling rocker has
DAYJOBWeekly gig
DAYJOBRegular gig