When visiting Buenos Aires, it's helpful to know a few practical tips to enhance your experience. First, the city operates on Argentina Time (UTC-3), so be sure to adjust your schedule accordingly. For connectivity, free Wi-Fi is widely available in cafés, restaurants, and hotels, along with a public network called BA WiFi. If you need mobile data, consider purchasing a local SIM card from various retail outlets, as major carriers like Claro, Movistar, and Personal provide good 4G coverage throughout the city. For transportation, Buenos Aires boasts an extensive public transit system, including over 150 bus lines and six metro lines (Subte). To use public transport, you'll need a SUBE card, which allows for easy payment on buses and the metro. Additionally, if you're interested in cycling, the EcoBici bike-sharing program offers over 850 bicycles at various rental stations across the city, available for free hire upon registration. Lastly, remember that tipping is customary in restaurants and for services, typically around 10% of the bill. Keeping these tips in mind will help you navigate Buenos Aires with ease and enjoy your visit to the fullest.