Almost everyone is wrong, and only because; Bitcoin is not at all about all the deep dips but the stabile growth with the high peaks. That's it and that's all of what most of them just don't get.
Don’t chase for price I must say. I feel people are very wrong here. They judge the capability of the coin through its price. You need to understand that Bitcoins are limited in numbers, hence the price will definitely go up in the longer run. As the time passes more people will know about the coin and will show interest in accumulating it. But due to the fixed supply of Bitcoins, the price will just go up. Hence forget about the dips and price, just buy and accumulate the coins whenever possible.