20 rules for making money form d a book published by P.T. Barnum called The Art of Money Getting:
- Don’t mistake your vocation
- Select the right location
- Avoid debt
- Persevere
- Whatever you do, do it with all your might
- Depend upon your own personal exertions
- Use the best tools
- Don’t get above your business
- Learn something useful
- Let hope predominate but be not too visionary
- Do not scatter your powers
- Be systematic
- Read the newspapers
- Beware of “outside operations”
- Don’t indorse without security
- Advertise your business
- Be polite and kind to your customers
- Be charitable
- Don’t blab
- Preserve your integrity
You can get read it online.