How a 30 Year Old Turned Her $3,400 Tax Refund Into a $12,000-a-Month Side Hustle Posted byLaila Maidan March 10, 2021May 4, 2021 Leave a comment on How a 30 Year Old Turned Her $3,400 Tax Refund Into a $12,000-a-Month Side Hustle Shereen Campbell now generates about $12,000 a month from her side hustle.