For these past few days, many online shopping giants are having a huge discount sale. Last time when such a sale was going on, I bought a few things including a mixer grinder which I really needed as my old one was on its way to expiry. But I also bought a few other things that I really did not need, but just bought them as they were on sale. Do you ever do that? End up buying things you don't really need, just because they are on sale?