The cheapest ticket option is usually the primary ticket seller, but sometimes you can find tickets below face value through secondary ticket sellers.
SuperStar Tickets is a Zumic preferred ticket broker because they offer a 125% money-back guarantee and you can use discount code SHOPCONCERTS for 5% off your purchase.
TicketsNow is another Zumic preferred broker. They are owned by Ticketmaster, and offer some of the most fan friendly ticketing policies. For select events, tickets are verified by Ticketmaster's exclusive bar code technology to guarantee they are authentic.