WHEN IS THE BEST TIME TO GO TO SIX FLAGS GREAT ADVENTURE & WHERE CAN I GET COUPONS OR DEALS ON TICKETS?

I am formulation to go to 6 flags in brand new jersey with 3 alternative friends as well as longed for to know when is the most appropriate time to go so there is not the lot of people as well as reduced lines. Also where can i get coupons or shout tickets for 4? I know they have buy the single get the single giveaway coke can. though i don’t know if they have it right away for this season, I did not see the can with the graduation yet.
!!!!!Will give most appropriate answer!!!!!