Might I add one more? Evaluate your advertising methods and judge which one brings you the most for your money. Word-of-mouth is certainly the best way, but getting people to enter through the front door might be the most important, lasting event a prospective customer will need to have in order to keep coming back. I run my own English language school for children. After 8 years I have narrowed down what works in my local in the money out/customers in ratio. Happy New Year private businessmen and women out there! And Ms. Simpson, keep writing!