First Major Factor,
You must be able to Lead and Manage the business effectively with sound judgement. According to statistics from the Association of Insolvency and Restructuring Advisors (AIRA), the majority of business failures (67%) are caused by internally generated problems within the control of management - not by bad luck and external events, like an economic recession.
Second Major Facor, You must have the proper funding and consistent cash flow necessary in order to successfully run the business from the start thru the first 5 years. Most entrepreneurs fail because they lack the proper sales and marketing skills necessary to sustain their growth. Thru multiple surveys and studies, it is the Lack of cash flow in conjunction with Lack of capital that cause over 29% of business failures.