Spending Rs 10,000 extra today could cost you Rs 24 lakh later. CA warns against 50-30-20 financial rule

A salary hike often creates the illusion that financial stress will finally disappear. But for many people, higher income only leads to bigger spending, larger EMIs, and lifestyle upgrades that quietly eat away at future wealth. According to Chartered Accountant Nitin Kaushik, one of the biggest financial mistakes people make is following budgeting habits incorrectly. In a detailed post on X, he explained why the popular 50/30/20 budgeting rule fails for many earners and how a small spending shift today can end up costing lakhs in long-term wealth creation.

Kaushik argued that most people approach budgeting backwards. Instead of allocating money with intention at the start of the month, they spend first and then try to divide whatever remains into savings, investments, and expenses later.

“The standard 50/30/20 rule fails because people try to budget backwards,” he wrote. He explained that while everyone talks about saving more money, very few actually provide a practical structure for how to implement it consistently.


According to the system he recommends to clients, 50 per cent of income should go toward needs like rent, groceries, and essential bills. Another 30 per cent should move directly into investments aimed at wealth creation, while the remaining 20 per cent can be used for lifestyle spending such as dining out, shopping, travel, or entertainment.

Lifestyle necessities

Kaushik stressed that the real problem begins when people confuse lifestyle choices with necessities. “The biggest trap is lifestyle creep disguised as a need,” he noted.He pointed to examples like expensive gym memberships that rarely get used, multiple streaming subscriptions, and frequent restaurant spending. According to him, if someone can comfortably survive without an expense for two weeks, it likely belongs in the lifestyle category rather than the essentials bucket.


To explain the financial impact, Kaushik used the example of a person earning Rs 1,00,000 as a monthly take-home salary. In his suggested system, Rs 50,000 immediately moves into an account dedicated to fixed expenses, Rs 30,000 goes directly toward SIPs, mutual funds, or investments and Rs 20,000 remains available for lifestyle spending.

He explained that investing Rs 30,000 every month with an average annual return of 12 per cent could potentially grow to nearly Rs 70 lakh in ten years. However, if someone reverses the structure and spends 50 per cent on lifestyle while investing only 20 per cent, the long-term wealth creation drops sharply to around Rs 46 lakh.

“That minor 10 per cent shift costs nearly Rs 24 lakh,” he warned. Kaushik also linked poor financial discipline to risky investment behaviour. Referring to a recent study cited by the SEBI chief, he noted that nearly 62 per cent of Indian investors rely on unregulated online financial advice instead of following basic allocation principles. At the same time, he highlighted SEBI data showing that over 90 per cent of individual traders lose money attempting to generate quick profits through options trading.


According to him, average losses in such cases range between Rs 1.2 lakh and Rs 2 lakh per person. “They are literally bleeding cash while trying to bypass basic budgeting,” he wrote. To make the system easier to follow, Kaushik suggested opening two additional zero-balance savings accounts apart from the primary salary account.
He advised setting up automatic transfers on salary day itself so the money gets distributed before unnecessary spending begins.“If you don’t see the money in your main account, you won’t spend it,” he added.