I Wanna Move To LA , !?

Okay So Ive Been Thinking About Moving To LA , I Was There Visiting Family && Just Fell In Love ! Im 19, Stay In TN, Live With My Parents , I Have My Car , & A Job, Im Thinking About Moving Next Year , Once I Save Enough Money To Be Okay For The First 2 Months Im There && It Would Also Be Nice To Find A RoomMate Since Apartments Are Pretty Expensive ...But Everyone Tells Me Not Too Move , I Get ALOT Of Negative Feedback... So Any Advice ? I Know LA Is Expensive && I Cant Just Expect To Move There & Be Fine... Nothing In Life Is Easy.... But Its A Change I Really Need... Im Just Looking For Advice , Pleasee (: