how you can get return 5 bitcoin from investment 2 bitcoin
If you looked at the post, it's really obvious he referring to HYIP because he stated 48h investment while this kind of investment are really stupid and make you lose. Invest in 2 BTC is much better to put it to trading or business.
Well said, don't fall for traps. As suggested try to put it into trading or some other business that relates bitcoin. If you don't have that knowledge, then kindly create a wallet and hold it as a long term investment enabling all safety measures on the wallet. The profit will be yours in a short or after certain time period.