If your looking to start your own exercise centre you need to start with a home gym squat rack. I have found that this item can usually be used to do several exercises and somis a great starting point when building up your own gym.
I know from going to the local gym several times a week can be expensive so having your own equipment can certainly save you a lot of money.
Doing your regular workout at home can be an advantage as well time wise as you can do your routine at any time of the day when it suits your schedule.
Pick one of these 5 items to get you started.