Solar from MAMAMOO made into it the list by earning $87,325 a month from her Youtube channel. When she was just starting with about 1.1 million subscribers, the idol unveiled that she earns about $87K a month. Currently, she has more than 3 million subscribers on her channel. Kim Hee Ae is said to have received about $69K per episode in her latest series, The World of the Married. Since it was a 16-part drama, she has reportedly earned nearly $1 million from filming the entire series. Aside from her main job as an actress, she made more than $2.6 million in capital gains from buying apartments in 2002. She is also said to have made substantial profits from investing in other real estates. Uhm Jung Hwa established her fashion lingerie brand in 2007. Upon its opening, she sold all her products in a blink of an eye on TV home shopping, making $8,729 per minute. In the end, Uhm recorded a total sales of about $87 million in just three months after launching her brand. BTS landed at No.1 on the list of stars with the most side income. From 2016 to 2020, the group has achieved the highest annual sales record. To thank BTS for their huge influence and impact on its sales, the agency donated 68,385 shares to the members. The value of each memberŌĆÖs shares is worth about $17 million, and the combined shares of the seven are worth about $122 million. ┬Ā Source (1)