Start 2018 Off Right — With the Perfect Gym Membership For You

Gym: Anytime Fitness

Cost: Varies from gym to gym. Average monthly cost is approximately $40.

Amenities: Open 24 hours a day, even on holidays. Join one Anytime Fitness gym and use any of 4,000 worldwide at no extra cost. Group training and personal training are available, as well as a free mobile app for all members.

Who it's best for: Anyone with a nontraditional schedule who doesn't want to fall behind on their fitness.