You're trying to start a small business selling jewelry online. You had to buy a few thousand dollars' worth of jewelry. Your sister is yelling at you because she thinks it's too risky. You tell her:
You have to spend money to make money.
This is a common English saying. It means that it's hard to make money in a business without investing some money in supplies, products, advertisement, or other business expenses. This is what people say when someone criticizes how much they're spending on these kinds of things.
Talk about important steps to reach a goal with this phrase:
You have to become a good networker to succeed in business.
You have to work hard to make it in the music industry.
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