Cheap bunks in shared dorms and a backpackers-of-the-world-unite atmosphere

How tourists can stay in cheap university housing in the U.K.

Free lodgings in Britain: Hospitality networks (couchsurfing), home swaps, and house sitting services

Couchsurfing and other hospitality networks allow you to sleep for free in other member's homes

Hospitality networks gather folks who are willing to put up fellow members in their homes for free or for a small fee

Camping and campgrounds are a cheap way to spend the night while traveling

The Caledonian Sleeper and other overnight trains between England and Scotland

Bunkhouses, camping barns, and bunk barns are like rural hostels in the U.K.

Sleep for free on vacation by watching someone's house (and, often, watering their plants and feeding their cat)

Programs like WWOOF and Helpx let you barter your services for a free place to stay

If you love sailing, or just have an unquenchable taste for adventure and new experiences, you can sign on to help crew a boat just about anywhere in the world, including the U.K.

A network of free stone cabins where you can sleep off the beaten path in the U.K.

Use Skype (and an internet connection) to make and receive free voice and video calls—or have your friends and family Skype your cell in the U.K. for 10¢ per minute or $1–$2 per month.

Young adults, families, seniors, and couples can get 1/3 off all trains with a £30 railcard

Student and youth tours of England, Scotland, and Wales

Advice, resources, & tours for student travelers in the U.K.

Sightseeing discounts for children, students, seniors, families, and teachers