It's easy to buy bitcoin.
You can spend bitcoin online and in some retail stores.
But be warned: Its valuation fluctuates wildly, making it a risky investment 
You should also be aware that bitcoin is more like a speculative investment than a regular currency, and can fluctuate wildly in value. Although the overall trend has been up in recent months, but crashes of 20 percent or more in a few days are historically not uncommon.
Still interested? Here's how to get started:
Download the app "Coinbase. 
It's available for Android and iPhone.
Create a Coinbase account. 
You'll need to agree to terms and enter the state you live in.
Now you're logged in. Look at that daily volatility!
Again, the price of a single bitcoin tends to be pretty volatile, skyrocketing one day and collapsing another. It is a speculative investment.
Add a payment account
Tap the "buy" button at the bottom of the screen to add a payment account. Credit and debit cards allow instant buys but only let you purchase $150 in Bitcoin per week. Linking a bank account can take 4 to 5 days to trade, but you have higher buying limits.
You're ready to buy. Tap the Buy button again. 
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Nice article, I have been using Coinbase for a couple years now and its great for buying and selling. There are a few other things you can do as well to make your Bitcoining more secure. I wrote an article a long time ago that can be found at http://www.brandonorndorff.com/bitcoin/exchanges/how-to-buy-and-sell-bitcoins-safely-instructions/
very basic tutorial. Very useful though.
thats how i do it easy peasy 8 )
Thanks for sharing :)