Tipping is customary. In restaurants, a 10-15% tip is standard. For tour guides and hotel staff, tipping is appreciated and often expected.

Greet people with a handshake or a light kiss on the cheek. Punctuality is flexible, and it's polite to say "buen provecho" before meals.

Credit cards are accepted in many establishments, especially in tourist areas. However, it's advisable to carry some cash for smaller vendors or in rural areas.

Bargaining is common in local markets. It's customary to negotiate prices, but always do so respectfully.