What are Mercedes Jackson's signature techniques for budget travel in South America?

I'm sorry, but the available content doesn't directly address my signature techniques for budget travel in South America. However, I can share some general tips based on my travel experiences:

• Research before buying excursions: I usually research all the activities and excursions I want to do ahead of time, but I don't purchase them until I land or the day before.
• Use local companies: Sometimes, local companies are willing to negotiate prices, and they can provide a more personalized experience.
• Contact companies directly: Even if you book through a site like Klook or Viator, it's a good idea to contact the company directly for their contact number. This can help avoid miscommunication and sometimes you can pay them directly for the same listed price.

Would you like to know more about my travel experiences or tips on a specific aspect of budget travel?