If you want to buy Bitcoin you are well off if you do a bit of research. Compare different exchanges, rates and ask experienced Bitcoiners for the best tools and tips.
Here are some ideas for you:
Localbitcoin.com is a platform that makes it easy to meet private persons and exchange Bitcoin.
Coinbase is one of the largest exhcnages and very easy to use. Of course you can use any exchange that you like.