Second, you need to actually get bitcoins, and this can be done in a variety of ways.
Coinbase provides a means to rapidly transfer funds into, out of and between bitcoin exchanges far faster than the usual methods through automating the entire process. Traditionally, bitcoin exchanges handle deposits and withdrawals using several methods, some of which can be annoyingly slow with delays of up to a week before funds are available for use. During this waiting period, as with any currency, exchange rates can fluctuate and you may not get the same amount you would have been able to at the time you begun your deposit. If you cannot purchase any at this moment, you can start your journey into the bitcoin world by building up your collection of bitcoins gradually. Mining now days without high powered expensive equipment is not very practical for the day to day user. However there are places to get bitcoins for free from faucets. Here are some links to ones you can signup with to get free coins.