There are many different factors that you need to look for in joining a gym. One thing is the availability and price of the gym. You would also need to see what kinds of classes they have to offer and when they are to see if the classes are going to fit into you schedule.
Are the trainers going to be able to help you with any questions that you may have and are they going to be walking around so that they are going to be available to anyone that is using the facilities.
You may want to see how far away the fitness gym is from your house and if you are going to have any trouble getting their at any time on the year. You would also want to see how often you are permitted to go to the fitness center to work out in a week some places may limit how often you are permitted to go so there is not any harm done to your body from working out too much in a week.
Another good point is to find just how long would you be permitted to stay on one machine or is there time limits for one exercise equipment. Some may put a time limit on the exercise equipment so that everyone that is there would have a chance to use all the equipment that they have to offer you.
One other thing is to look around and see if you are going to get your moneys worth from the fitness gym. That would mean by the classes they may offer and the exercise equipment that they have to offer all that are going to join.
You could even ask the present or past members of the gym for their opinion of how the fitness facility works on a daily basis. Another thing to look for is if they may have a trial period for possible members so they can decide if it may be what they are looking for. Then if you decide that you may be interested in that particular fitness gym you could see if they may have special deals for any new members that are joining their fitness center.