Favorite thing: When arriving in San Jose....the currency exchange will change your US $, but your US dollars must not have any marks on them, no pen stains, no corners missing. Same as banks, bring passports in order to exchange your dollars. Avoid people wanting to give you change as you exist the airport, they're pretty good at robbing incoming tourist that don't know any better !!!! and credit cards aren't accept everywhere as they are in the states...ask for !!!!!
Favorite thing: For those who have traveled in a third world country one would agree with me that Downtown San Jose is OK during the day but extremely dangerous to be around in at night.......There is a Casino in the downtown region, but other than that there is nothing there to do and see.......Highly advised to stay away at night.....VERY DANGEROUS !!!!!