Yup, it's easy to spot a bubble but it's not easy to be able to tell how big it's going to get or when it's going to pop. You can be out by years and by magnit

Yup, it's easy to spot a bubble but it's not easy to be able to tell how big it's going to get or when it's going to pop. You can be out by years and by magnitudes, which isn't useful for being able to profit from it. It's better to just plan for the worst and treat your exposure to the upside like a gamble.