Exercising is most successful when it becomes a habit, but you have yet to find a routine that you can't do without. Get addicted with today's deal from Crave Fitness: Pay $20 (regularly $125) for five fitness classes. Head to this Sunrise gym and work up a sweat during one-hour sessions like boot camp, krav maga, kickboxing, and Brazilian jiu-jitsu, each of which encourage increased core strength, muscle tone, and cardiovascular health. If you're already hooked, spend $29 (regularly $259) for one month of unlimited classes. With a staff of four experienced instructors leading 18 different lessons a week, this fitness studio has the lineup to ensure that once you start, you won't be able to stay away.