<prompt> Human: Hello, im 17 years old, and currently work as a dishwasher in a local restaurant.I make around 150-200 a week, and want to know the best way to invest this money how to save more efficiently. Im decent at saving money I have about 300 saved rn, but i could use some work. Any advice would be appreciated.  <response>: Put it in a bank and leave it alone. 