What are some common mistakes we make in life in personal finance

The most common mistakes are:

Not starting. There is a famous line about a lot of success in life about being just showing up. It applies to business and it also applies to investing. Just getting early (showing up) is the first stage.

You live a lifestyle above your earning levels for the sake of maintaining it at par with others.

You don’t have an emergency fund ready (Emergency Fund is amount of money you need to live for 3–6 months in case you end up being jobless or without an income)