1) Your share of the market is really lower than you think.
2) Never delay the end of a meeting or the beginning of lunch hour.
3) The combined market position goals of all competitors always
totals at least 150%.
4) The existence of a market does not ensure the existence of a
customer.
5) Beware of alleged needs that have no market.
6) The competition really can have lower prices.
7) The number of competitors never declines.
8) Secret negotiations are usually neither.
9) If the customer wants vanilla, give him vanilla.
10) If the customer buys lunch, you've lost the order.
-- Robin's Rules of Marketing