I wouldn't recommend investing straight away. Learn more about bitcoin first and when you feel like you have got a good grasp of the technology, Then head over to localbitcoins.com or coinbase if your country is supported for buying BTCs. You can find the list here

Also if you are looking for venues to invest your bitcoin in. Don't invest in anything which offers a Percentage return over a certain period of time. They are most likely to end up scamming you. Also, Stay away from cloud mining websites. The only thing I can recommend you is to lend your BTCs with a valid collateral to trusted members here and make some ROI by charging some interest.

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@Cody Blare @ShutterTeeth you both have been marked for promoting a Ponzi.