I went over a decade without a credit card. I've proven you can live without them. Now I am saying that some people, especially small business owners, might want to think about getting a card and using it wisely. Why the change?
"It is very hard, if not impossible, to justify active management if your goal is to grow wealth. If, instead, you view active management as a source of entertainment, you may wish to consider less costly ways to amuse yourself."
The perils of market timing are not controversial for anyone who is familiar with the data. Only brokers and actively managed mutual funds tout their expertise in predicting random and unpredictable markets.
In order to make money and increase your wealth you must understand what money is. Just as a carpenter looks at a saw as a tool to cut a board to build a house, you must look at money as a tool to build wealth.