As the second largest megapolis in the western hemisphere, Mexico City can most definitely be a daunting place to plan for a getaway of any length of time. After living here permanently for almost 10 years and visiting for the better part of the last two decades, I feel confident I have some knowledge to impart on any first-timer making the fantastic decision to visit this vibrant city. Here are my things to know before visiting Mexico City that will help you streamline your trip, keep you safe, enhance your time (hopefully) and get you primed and ready for a…