London is one of the most iconic cities in the world, offering a blend of history, culture, and modern attractions. Whether it's your first time visiting or you're a seasoned traveler, here are 20 essential London travel tips to make your trip smoother, more affordable, and a whole lot more enjoyable. 1. Get an Oyster Card or Contactless Card Tip: The Oyster Card or contactless payment card is the most cost-effective way to get around London’s public transportation system. It works for buses, the Underground, trams, and even river services. Hack: Avoid buying single tickets, as using an Oyster Card or contactless card is cheaper and more convenient. 2. Plan Your Tube Routes Ahead of Time Tip: The London Underground (Tube) can be overwhelming due to its complexity. Use apps like Citymapper or Google Maps to plan your routes in advance and avoid unnecessary transfers. Hack: During rush hours, the Tube can get crowded. Try to travel during off-peak times to avoid the crowds. 3...