Complete free stay

• Do a little research and figure out all your far off relatives around the globe. A good chance to go and meet your own blood types and also acquire accommodation. Not to forget, free food.
• You can request the local people to let you place your tent/sleeping bag in their lawns etc. Most of them will usually allow you inside.
  
• Take up residence in someone else's house. Become a caretaker but do a good research before landing in any home. Site like www.caretaker.org will help.
• Home swapping is another way to stay for free. Offer your home to another traveler and you can stay in their homes...for free. This mode of accommodation is gaining popularity.
• Many sites like www.hospitalityclub.org helps travelers around the world to get together.A must visit site.