It has been seen that some fitness freaks shell out about $200 monthly for a gym membership. It means running a gym business can help you generate a lot of income and lead to success in the fitness industry. There is a high ROI in the fitness business. However, getting gym equipment can be an expensive aspect of this business. It may require a lot of money to purchase high-standard equipment. But, if you go for the used ones at the start, it can help you save a lot of money.