Freelancing is not regarded as a side hustle anymore. There was a notable lull in polite society when people said they were freelancers. The reason for this lull was obvious. Freelancing at the time was not the most stable way to make a living.
Please read the originial post here: https://www.apsense.com/article/how-can-freelancers-bank-on-mobile-apps-as-a-regular-source-of-income.html