When the USD collapses...?
The USD is already down ~97% in ~100 years.
How much lower does it need to go before we say it already collapsed?
You sure know how to lose an argument. The US dollar has NOT already collapsed. 99.9% of people will tell you that. However, you seem to think it already has. And you prove it by a meaningless fact. I think you need to look at other facts that might be more relevant.
A building that is 97% collapsed is collapsed. Fiat currency that is 97% collapsed is, well, grossly inflated. You can stagger on with more and more 0's on the bills, but it's not a good situation.
What people need to keep in mind now (and my point earlier) is that fiat collapse CAN now happen without destroying the economy, unlike in the past. As cryptocurrency replaces fiat currency, the latter can and will fade away without a Zombie Apocalypse scenario.
It's a huge difference between 97% collapse in one year, or in 100 years (inflation rate of 3,5% per year). I don't see any problem with single digit inflation as it motivates people to engage in investments and consumption instead of hoarding.
If you have $10,000 and you know it will lose 3,5% of it's value within a year you should invest it in an asset that will increase at least 3,5% in value per year.
That would probably be blue chips stocks as they provide both value increase and dividend.