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Read The Minimalist Budget
Read the book called The Minimalist Budget: A Practical Guide On How To Save Money, Spend Less And Live More With A Minimalist Lifestyle. There are a lot of tricks and ideas for saving money and it should help you learn how to save money. You can order it on Amazon.
Don’t try to save on everything as it can make you feel unhappy or give up very soon. All people are different and all have different priorities, so decide on what you should stop spending money and spend only on what you really should (one of the life hacks to save money).
If you are not sure how to save money every month, be strict with your financial goals. You need to know exactly how much and how soon you want to save and also for what reasons. Write it down and reread it from time to time, and also renew the list, if you have some new ideas. It will keep you motivated for saving money.
Know when you need to have some cash and choose a day when you will go to your bank or to the ATM that doesn’t take any charges from your account. If you don't plan on time, and a day when you need cash urgently comes, using the closest ATM can be costly.
Check on your bank account regularly. Knowing your current balance and seeing the last purchases will allow you to see your mistakes in spending money. Also, you will understand where you need to stop spending much money.