India, Sept. 15 -- Shoppers are gearing up for Flipkart's Big Billion Days and Amazon's Great Indian Festival, set to begin on September 23, a day after new GST rates come into effect. The revised rates are expected to make many products, including electronics and daily-use items, more affordable. But do they really save money, or do they quietly increase your expenses?

No-cost EMI plans promise to let buyers pay in monthly instalments without extra charges or interest. However, the term 'no-cost' can be misleading. Similar to free offers in other markets, such as buy-one-get-one deals or offers on social media platforms, hidden costs often exist. Often, the product price is adjusted to cover interest or fees, so customers may end up pay...