I'll admit it. I'm old school. I still wear a flat top haircut. I've been with the same beautiful woman for 34 years. I say "yes ma'am and no sir" when addressing folks of all ages. I buy American whenever I can; I consider my word as my bond and in the order of importance behind God and family, I run a distant third.
Productivity is directly tied to attitude. No secret there. The better the attitude of your workers, the better their productivity. Attitude is generally a product of the environment. What kind of environment are you promoting at your washes?