Jennifer Suh outlines her trip to Costa Rica, including costs for vaccinations, flights, transportation within Costa Rica, accommodations, and tours of Arenal Volcano, zip lining, river floating, and ATV riding. She will stay three nights in Heredia for free with a friend, and four nights at the Tree House Hotel near Arenal Volcano for $800. Various tours range in price from $45-205. Her total estimated cost for the 10-day trip is over $3000.