Like most small businesses, there is a large amount of failure. Some due to bad ownership, others due to bad luck. Sometimes both. After the usual 1-year marker that weeds out most businesses, LAN centers face an additional hurdle in the 24-36 month time frame, when their hardware starts to underperform. If you don't plan for it, you will experience a gradual downward spiral that loses you your customer base and ends with a crash in red ink.