What are some tips for traveling to London on a budget?

Travel during the off-peak season. You can save a lot of money by avoiding the busiest times of year. Look for discounts and deals. There are often great discounts available if you book your travel in advance or look for package deals. Stay in hostels or budget hotels. You don't have to spend a lot of money on accommodation to have a great trip. Eat like a local. Take advantage of the many cheap and delicious eateries London has to offer instead of splurging on meals every day. Use public transportation. London's public transportation system is extensive and relatively inexpensive, so make use of it as much as possible.

What is the tipping etiquette in London?

In London, it is customary to leave a tip of 10-15% for good service in restaurants and bars. If you're taking a taxi, it's common to round up to the nearest pound or give 5-10% of the fare as a tip. For other services, tipping is not required but always appreciated if you received great service.