Fiat cost average into Monero and gold. I know a lot of people would say Bitcoin. But if you buy Bitcoin, then the government is going to know that you have it. Whereas if you buy Monero, the government is not going to know you have it.
Also, start participating in the Monero circular economy by buying and selling goods and services on XMRBazaar.com denominated in Monero
Here is my store, for example. https://xmrbazaar.com/user/AuroraGeneralStore/
For gold, you might want to have a look at goldbacks since they go down to one thousandth of an ounce of gold and can be used as a transactional currency.