Owners of successful businesses are, more often than not, eager to share the chance to succeed to other people. Thus the many franchising opportunities presented to potential investors. In franchising, someone has already done the work in establishing the business.
This means the wrinkles have already been ironed out. A franchisor can then share that expertise with franchisees for a financial consideration. In essence, a franchise is like a conveyor belt to faster business ownership. You do it within the comfort zone of a tried and tested business without the painful journey around a learning curve.