Contribute a portion of each paycheck to 401K. Plan your weekly expenses, such as only dine out once, movie once, less shopping, etc. Cut down unnecessary stuff and be wise on your necessary expense. I guarantee you can save good chunk of money.
Sell things online.
If you need money you can join Goldmine, you just recommend videogames and if someone buys it you get a commision https://www.g2a.com/r/join-goldminenow
buy things that you can find for less than they are actually worth and resell them for a profit
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