As long as it allows you to generate additional income that is outside of what you earn in your regular job, I think it is safe to say that it is a "side job".
It's a necessity we need today since we need the security that we would be able to still provide for the family in the mid of the crisis. People don't care what kind of job it is. One of my options is to be an Uber driver or school janitor if they accept the graveyard shift.
My landlady just hired an engineer who will collect the tenant's garbage every Wednesday, I knew this because I've talked to the guy as I notice he is new while I throw my garage outside.