How do you make loads of money on animal crossing wii?:)10 POINTS!!<3?

Its the wii game , Animal crossing lets go to the city , and I go to the gracie shop alot but everythings really expensive so I wondered is there any quick way of making money and lots of it? cheats codes hints? any other cheats for furniture will be really good too please!:) Thanks! ten points to best answer!<3 xx