A rule of thumb is defined as a broadly accurate guide or principle. They are easy to understand and simple to apply. Because of this, a rule of thumb makes you more efficient in decision making, which is key to building wealth.
Think about the things in your life that are either partially or fully automated...
For most Bloggers, a blog is a time consuming and unprofitable hobby. That's ok, as most people start a blog to enjoy the therapeutic effects of writing and creating.
Did you know that 90% of the world's millionaire invested in real estate to create their wealth?
It's why headlines like the following are even possible:
Self-made millionaire went from janitor to real estate mogul.