When Katerina Horwitz started out as a social media influencer in 2016, she didn’t earn much money beyond a handful of sponsored posts. A few years later, Horwitz and her husband Yinon quit their day jobs, started a joint Instagram account and got creative with monetizing their 400,000 followers, including selling their own photo filters and building an app that offers editing templates for Instagram Stories.When Katerina Horwitz started out as a social media influencer in 2016, she didn’t earn much money beyond a handful of sponsored posts. A few years later, Horwitz and her husband Yinon quit their day jobs, started a joint Instagram account and got creative with monetizing their 400,000 followers, including selling their own photo filters and building an app that offers editing templates for Instagram Stories.