Outside of catastrophic crashes (2000, 2008), it's not as common to see quick drops of 30-50%, and there's no reason to expect to see the next decline occur in the same fashion.
Right. This is the whole reason why you shouldn't try to time the market. It's one thing if you happen to suddenly need cash (I do, for various reasons) and realize that this isn't a bad time to take some money out with the intention of keeping it out. This isn't the same as market timing, where you'd be waiting at some point to stuff it back in. You're facing long odds if you think you're going to get out now (high) and back in later (low).
We don't know what to expect. Just because the market is overvalued (which I think is pretty clear) doesn't mean we know how it's going to correct. The correction is frequently
not a crash, and in these cases, it's much better to stay in. What if price goes up even CPI adjusted 1-2% over the next 10 years while earnings are double that? And what if, at that point, the market is then poised for explosive growth again? It's happened before, and it might happen again. In this case you'd be missing out on some nice consistent growth, especially after you factor in the 2% div on top of that. And when exactly would you get back in?
I'll literally copy and paste jlcollinsnh here:
"The point is, to play this market timing game well even once, you need to be right twice: First you gotta call the high. Then you gotta call the low. The world is filled with sad investors who got the first right and then sat on the sidelines while the market recovered and marched right on past it’s old high."
edit: adjective choice