I've been digging into this site (http://exebtc.com/) and pretty much all the articles are almost identical.

I tried calling them and a foreign man picked up his phone, like it was his personal phone and a bit later acknowledged this was a call for bitcoins.

I wanted to get some more information from him, but he was only interested I start investing my coins into the website.
My plan was to only try investing a little amount in the basic plan, but he was insisting I invest in the standard plan (one up).
An hour goes by and he calls me back asking if I had made the investment yet.

From the beginning this site gave me the "Too good to be true" feeling because they do seem to offer great returns.

If anyone has any experience with this site please follow up on it. I'd appreciate it!

A good strategy I keep in mind is not to worry so much and just think logically when the prices fluctuates, and have a plan.