Try our "Rodízio de Churrasco"

Learn two important words when visiting Brazil (only if you are not vegetarian), rodízio and churrascaria. 
Brazilians love churrasco and there are many restaurants specialized to make barbecue. If you go to a rodízio  (you can check the pronunciation at forvo), you will eat like a king, there is a buffet of salads and pasta, and the waiters go to your table serving many kinds of meat. So learn these words: picanha (special cut of filet steak) carré de cordeiro (rack of lamb), salmão com molho de maracujá (salmon with passion fruit sauce). Don't forget also these useful words: bem passado (well done) e mal passado (rare) and no ponto (medium).I'm sure you gonna love it!

Learn (at least a little of) Portuguese

Brazilians are generally kind to foreigners. Knowing a few phrases can be cool if you want to blend in with the locals, or even get some information.
Learn simple phrases like: Hi! How are you? (Oi! Como vai?) 
Thank you! (Obrigado! if you're a man) e  (Obrigada!  if you're a woman)
Please!  (Por favor!)
Where is the restaurant? (Onde é o restaurante?)

Learn numbers too, but the most used. You can count on Youtube to learn some basic phrases. Another site that is great for pronunciation is www.forvo.com .There are millions of pronunciations words and phrases spoken by native speakers in more than 300 languages​​.
Finally, speak  Portuguese with foreign accent is very charming, and can help you if you want dating or making friends.

WHERE TO BUY TICKETS FOR THE WORLD CUP

You cannot yet buy, order or reserve tickets for games of the tournament that will happen in two years from now. Be careful! There are websites making resevations for tickets, but they don't have any tickets at all. Don't pay for resevations, it's too soon. Inform yourself on the official website of FIFA, because there will be a lottery where everyone can participate.
Sales information will be published on the site http://pt.fifa.com/worldcup/index.html Tickets for World Cup matches go on sale in the 2nd half of 2013.
If you're one of the lucky stay tuned because I will give tips on how to make your journey safer.