It’s nice to dream about making mega bucks like Calvin Harris. For most of us that kind of income will stay a dream. But there’s nothing that says you can’t make a decent living from DJing. The key is to try to avoid the feast-famine cycle. You want to keep working as much as possible and keep at least some income coming in at all times.
Read about how Ruze, Trutopia, Eric Sharp, Hanns, and LondonBridge managed to keep food on the table and grow their DJ careers: Tips From 5 Rising Artists On Avoiding The Starving Artist Lifestyle