Picture this: you're eyeing the latest iPhone, shiny and alluring, priced at AED 5,500. It's tempting, right? But hold on a second. Twenty years down the line, that sleek gadget will be nothing more than a relic, while if you were to invest that same amount in a low-cost, globally diverse index fund, it could potentially grow to over AED 21,000!Life is a series of choices, each one coming with its own set of trade-offs, known as opportunity costs. And understanding this principle is not just ...