When it comes to saving for your future the best time to start was yesterday, the second best is today. In some cases, all a graduate student can do is keep their head above water, financially speaking, but it is possible to start building their wealth. The best way is to prioritize saving, investing, and/or paying down debt. Many investment and bank accounts will allow you to set an amount to transfer to save or invest on a regular basis. Do not let the extra money from a side-hustle or from cutting down expenses disappear, try and make it work for you. You can save it in a high-yield savings account, an investment vehicle, and/or pay down your loans. If you are looking to invest, you can open a free account through Robinhood or through Acorns. Read more about these here