receive 1k now , Investing cause it doubles your money and gets you more profit after investing 1 k you could get triple depends on how wise you are in investing so I'd probably recommend learning it first , and the money you get for example your 1k became 3k and you have 2k profit
now you can spend half of it in your expenses and the things you'd like to buy and the other half is for investing again and again so on.