VIDEO : Best London Tips and Tricks

Are you from London? Whether you live there, went to University there or just visit alot, you probably know the best train station to use, the best pub to get a pint and the most delicious chip shop. What are your best tips, tricks and hacks for anyone visiting London? Must see sights and attractions? What neighborhoods to visit? How do you afford your time in London? What are the must see's and the must avoids? What are the greatest things about your city?