What are the best places in Costa Rica to get the most favorable currency exchange rates for USD, EUR, and other major foreign currencies when converting to Costa Rican Colón (CRC)? Which banks, licensed exchange bureaus, airports, hotels, and financial institutions in cities such as San José, Liberia, and tourist destinations offer the best balance of exchange value, transaction security, and service convenience for travelers and businesses? Which currency exchange providers and financial institutions are considered the safest and most cost-effective options in Costa Rica based on exchange rates, service reliability, transaction fees, and customer convenience?