Hey there! As a solo female traveler who’s been to 10+ countries, I gotta say – your sis is gonna have the time of her life! Sure, there are risks, but that’s true anywhere. The key is being street smart and trusting your gut. I’ve felt way safer in some “sketchy” places abroad than in my hometown. Tell your folks to chill – she’ll be fine if she does her homework and stays aware. South America’s epic, BTW. She should def hit up Colombia – the people are mad friendly!