How much of the country actually puts money away for retirement? Of those that do, what % have the sophistication to make the type of adjustments you're talking about? The fact is, for most of this country, even if you do put money away, it's essentially a high stakes gamble.
People don't, but should at least try to do so. That's the point of this thread, demystifying the process of investing for retirement. In terms of sophistication, it's really not as complex as the investment community would lead you to believe. Not that there's not a purpose for them or that they dole out bad advice, that's not true either. The point of the thread is, if you are willing to invest time in understanding the process to budget to save, and allocate what you save correctly, it's not as complex or scary as many perceive it to be.
In terms of re-balancing, it's a fancy word for moving the portions of money you have invested in investment instruments (e.g., bonds, mutual funds, ETF's, etc.) around to match your goal asset allocation. When you're young, you have time to lose money and make it back up over time. Equities are the most volatile investment instrument, but have the most upside. You buy lots of equities when young. As you grow older, you've "made your money" in equities and it's time to shield that money in safer investments, like bonds. I'm 32 years old, so I have 32% of my retirement money in bond ETF's,a nd 68% in equity ETF's. When I turn 33, I need to re-balance, or re-calibrate my retirement money to match my target 33% of bonds and 67% of equities. To do that, I sell 1% of my equity allocation and with that 1% I buy 1% more of bonds. That is what I meant in a previous post by see-saw effect, over time I slowly but surely move away from equities and into bonds, as a hedge against adverse market events as I near retirement.