If you are not into cemeteries, you can still visit Recoleta and enjoy some of it's other interesting things to visit. Here what I checked out: 

Prepare for color, football and quite some crowds. La Boca has a special vibe so take the time to walk around.  

You notice that you are in the city center especially when coming from a smaller neighborhood, as everything seems bigger somehow. Make sure you cross the Avenida 9 de Julio, widest in the world to see if you can make it within a stoplight ;) 

Probably one of the most alive neighborhoods, San Telmo is the perfect place to stay while in BA. 

Well, Buenos Aires is a little monster, there are SO many things to do and see. This post will aim to give you some general overview with some admin and super mini itinerary per day. Keep an eye on next posts for more details.