To make more money buy more clothes, upgrade your camera in the tech store and buy the boost in the profile settings tab in the PC, and remember that for each outfit there's a total of 3 photos so you'd need 3 days in the studio. There's someone in the comments of the Starmaker page (inside the game) that tells you the 4 digits for the safecode, go to the office in friday and you'll find an object there to help you deal with that guy.