The first salary is a genuine milestone, and it deserves to be celebrated. But the six months after the first salary often determine financial habits that persist for a decade. The lifestyle expansion that happens when income suddenly appears — the upgraded phone, the better apartment, the restaurant dinners, the fast fashion, the new bike — feels like a natural reward for years of education and effort.
Most of these mistakes do not look like mistakes in the moment. They look like normal adult spending. The problem is the opportunity cost: the compounding that could have started at 22 instead of 29, the insurance that could have been bought cheaply at 24 instead of expensively at 35, the credit card debt that builds from treating a revolving credit limit as a salary supplement.
What follows are the seven most common and most expensive financial mistakes I have seen Indian professionals make in their first earning years, with specific numbers to illustrate why each mistake is more costly than it appears.