junglevip
If you fancy taking a punt for the sake of speculation look at it just as that. It's a gamble as much as an investment. If you can't afford to loose any money leave them well alone. You can buy them from
https://localbitcoins.com/
Your Bitcoin wallet take a while to sort out. You need to download 7gb of transaction data for it to be up to date. Do this first.
I've got a bit of spare cash so I 'invested' £200 into them a while ago. They have made a very good return and I've recently cashed my initial investment as I think their current price is very much a bubble. However I'm still keeping profits from my investment in Bitcoins, partly out of interest and partly as it's been a lucrative investment so far and you never know what may happen.