It’s the biggest sale in India, and you’re not alone. Millions of other excited shoppers like you are going to be thronging the Flipkart app, desktop website and m-site, adding their favorite products to their carts and checking out. To get hold of the sweetest deals, you need to be quick and smart. But it’s no rocket science. Just prepare yourself in advance. Here are 20 tips for disappointment-proof shopping during The Big Billion Days 2018!