I have been using it for 2 weeks.
Initially i put 0.19xxx btc and doubled it, I reinvested it now im waiting for 0.76xx btc lol in 4 weeks.

https://i.imgur.com/SUzzKAh.png

Their plans are really well thought to sustain a very long time.

You can customize your plans as you want, choose one and in the next tab you can add ROI for time, really cool and !
Automated payments also.