the bank just to save your money and for security you have to pay a fee to the bank, so how can it be rich if saving money in the bank. invest better if you want to be rich because your money will increase, will not decrease as it keeps your money in investment. unlike in the bank that charges you.
You can rich to it also, investing is a big thing for you to have the amount you want in a bank. Make sure you have the best bank or the known bank, the higher the bank and the higher you invest the bigger the amount you get.