Deal: Zumba is the hottest class to hit your local gym. Dance your way to fitness and get the summer for free! Pay a $99 initiation fee and don't pay any monthly fees until September 1. Your one-year membership is then $34.95 a month. Family members can join for an additional $29 each and $15 per month. No contract is required. Visit the gym for details and be prepared to sweat!