What are common social rules of thumb?

1. Beauty and charm, only rent, don't buy.

2. To get rich, don't go to work. Working only solves basic needs and sustenance; it can't make you wealthy. As the ancients said, to be rich, open a shop, do business, go everywhere, and be adventurous; horses need to be well-fed.

3. Keep a low profile, and you'll make a fortune.

4. All greatness is achieved through perseverance. Traffic, transactions, and wealth are all built through persistence.

5. Learning to give gifts can help your wealth take a shortcut. Gifts should not pass through a third party.

6. Successful people often have passive income, meaning they earn money even while sleeping.

7. To succeed, don't be afraid to look foolish. The more mistakes you make, the faster you'll succeed.

8. Learn to hide your wealth, skills, temper, secrets, and ambitions. Always remember "a person is like the sea, hiding everything."

9. Talents that cannot be monetized are just hobbies. Besides researching how to make money, everything else is wrong.

10. Let go of face, and you'll earn the "inside." In the eyes of the wealthy, face value is worthless. Face is insignificant compared to the "inside."

11. In business, use bank money instead of your own cash flow.

12. Don't aim to earn the last penny. Otherwise, you'll end up losing three years of profit and going back to square one, ending up heavily in debt.

13. Make quick money through one-time deals. Make slow money by building repeat customers.

14. If you lack the ability, don't pursue wealth. Financial matters must be handled personally.

15. Making big money usually takes three to five years; if you have it, keep it; if not, forget it. The rest of the time is spent maintaining.

16. Learning from peers is always the fastest way to grow, avoiding all detours and useless efforts.

17. Don't involve relatives in your business circle. Even brothers are of no use.

18. Making money shouldn't carry moral burdens. Abandon guilt; harvest when it's time, and make money fiercely within legal bounds.

19. To have a wealthy pocket, first have a wealthy mind. Be willing to spend money to enrich your mind.

20. Always learn to seize resources. In this world, good resources must be fought for; waiting for distribution only makes you weaker.

21. In business, avoid tax evasion, but legal tax avoidance is acceptable.

22. Don't partner with your best friends; friendship can never outweigh interests. In the end, you'll just part ways, and friends will be lost.

23. Small wealth depends on diligence; medium wealth on intelligence; large wealth on luck; windfall on courage.

24. When planning, find people who lack money. When executing, find people who need money.

25. Salespeople should be bold. Finance people should be cautious.

26. Wealth depends on strategy, not effort. Profit depends on the situation, not just hard work. Mastering strategy is half the success; grasping the situation can raise your success rate to over 95%.

27. Wealth requires inheritance and accumulation. Don't think that ten years of hard work can surpass three generations of effort by the rich.

28. Marry someone with virtue, not just beauty. Marrying a good wife can save you 20 years of struggle.

29. When venturing out, be brave. Being brave is more important than attending Tsinghua or Peking University.

30. Great wealth is from heaven; small wealth is from people.