It will likely be much higher than it is today.The main rules of successful investing are pretty simple: Buy low, sell high. There are some complicated parts, though, like determining what prices are low and whether or not they're going to get higher.Dutch Bros (BROS -1.76%) stock is trading at a low price right now. Let's see where it might be in five years and if it deserves a place in your portfolio.More fun in your coffeeDutch Bros does coffee differently than mammoth chain Starbucks and other coffee ch ...