The Brain's Shortcut
Our brains often struggle with large numbers. A price tag of ₹80,000 can trigger immediate financial anxiety, a reaction known as "sticker shock." But when that same price is presented as ₹6,667 a month for a year, the mental friction is significantly
reduced. This strategy, known as 'chunking', breaks a daunting figure into smaller, digestible pieces. Each piece feels less risky and more manageable. This reduces the psychological “pain of paying,” a concept where physically handing over money or seeing a large sum leave your account feels like a tangible loss. Monthly instalments create distance from that initial pain, making the decision to buy easier.
Mental Accounting at Work
This tendency is explained by a behavioural economics concept called 'mental accounting', first described by Nobel laureate Richard Thaler. We unconsciously sort our money into different mental buckets. A large, one-time expense of ₹80,000 might come from our 'long-term savings' bucket, which feels significant and painful to deplete. However, a recurring payment of ₹6,667 can be mentally filed under our 'monthly expenses' bucket, alongside bills and subscriptions. This reframing makes the expense feel routine rather than like a major financial decision, even if the total cost is higher over time due to interest.
The Rise of 'Buy Now, Pay Later'
Modern financial products, especially 'Buy Now, Pay Later' (BNPL) services, have perfected this psychological appeal. Often presented as 'interest-free' so long as payments are on time, these plans make instalment options more accessible than ever, embedding them directly into online checkouts. They tap into our 'present bias', a tendency to prioritise immediate gratification (getting the item now) over future costs. The convenience is undeniable, offering flexibility for planned or urgent purchases, like replacing a broken washing machine, without draining your savings all at once.
The Hidden Risks and Costs
While instalments make purchases feel smaller, they can obscure the real cost and encourage overspending. The focus shifts from the total price to the affordability of each payment. This can lead you to buy things you can't truly afford or upgrade to a more expensive model. Furthermore, stacking multiple BNPL plans can create a confusing web of payment due dates, straining your monthly cash flow and increasing the risk of missed payments. While many plans are advertised as interest-free, late fees can be substantial, and missed payments can be reported to credit bureaus, potentially damaging your credit score. Unlike credit cards, BNPL services may also offer fewer consumer protections for disputes or returns.
How to Be a Smarter Shopper
Instalment plans are a tool, not free money. To use them wisely, always start with the total price. Before you commit, calculate the full cost including any interest or processing fees. Compare this to the upfront price to see how much you're really paying for the convenience. Next, assess your overall budget, not just your monthly cash flow. Can you comfortably afford this item, or are you relying on the instalment plan to stretch beyond your means? Finally, track all your instalment due dates to avoid late fees. A single plan might be manageable, but several overlapping ones can quickly become a financial burden. Ask yourself if you truly need the item now or if saving up might be the better long-term choice.
