We do not accept paper currency.  

My invest include my business and crypto currency.

Fear, is a very important currency to deal in, unlike printing bills the inflation of fear is not without its benefits to a country like China.

If the building is refurbished further, the value of the building could increase by 150,000 R$ while the purchase price would now amount to 200,000 R$ (R$ is the local currency).

This in effect weakens the currency as citizens dump yuans for dollars making their saving and currency worth much less and reduces purchasing power.I don't know if anyone thinks these implications around the world can have serious implications on the real estate market world wide as I believe.

But you are correct, your personal time is a currency you can never get back.

And, after I ranted like I did have to say, credit and currency make our world a much better place, no matter some of the shenanigans that go along with it.

Besides crucial elections, international economic wars, and propped up currencies, people seem to be pulling back in fear of the unknown, which is how we get OVERHYPED.

Have you looked into currency hedging?

Hell right now you lose money to invest in bonds, people investing in money losing bonds are doing it because their outlook is very bleak for the future of the currency and thus the gauranteed bond loss is still less than holding the currency and inflationary pressure over time.Bad dollar value, means no bonds purchases which is how we in theory acquire money to loan.