On average, Chile is less expensive than both Brazil and Argentina. Filming outside of the city in faraway locations such as the Atacama or Patagonia can add significantly to the travel and transport budget.
Chile is an ATA carnet country.
Summers are mild with very long daylight hours and winters are very cold with very long nights.
Bank commissions in Chile are extremely high; up to 5%-10% . Please take that in mind when budgeting.