There are several ways to travel for free or at a low cost, including:
House-sitting: House-sitting is a great way to travel for free. By taking care of someone's home and pets while they're away, you can stay in a new place for free.
Work exchange programs: Many organizations offer work exchange programs that allow you to trade your labor for room and board.
WWOOFing: WWOOFing is a way to travel and work on organic farms around the world.
Voluntourism: Many organizations offer volunteer opportunities that include free or low-cost accommodations.
Couchsurfing: Couchsurfing is a way to stay with locals for free and get a taste of their culture.
House swapping: House swapping is a way to trade your home with someone else's for a period of time and avoid accommodation cost.
Hitchhiking: Hitchhiking is a way to travel for free, but it's not always safe and it's not recommended in certain areas, you must be careful and aware of the risks.
Travel writing or photography: Some travel writers and photographers are able to get their expenses covered or even get paid for their work.
It's important to note that while these options may help you travel for free or at a low cost, it's important to be aware of the risks and to be prepared for unexpected situations.