They are simply doing their job to make sure someone isn't laundering money, evading taxation etc.Suspicious Activity Reporting—Overview"Currency activity reports.

As well, how are gains or losses in the currency treated?  

The currency has almost halved in value since then.

There are a lot of foreigners that buy here as a hedge against their own country's currency, and that won't decline with a worldwide epidemic.

South Korea, Australia, Maui, Brazil, Belize, We like Belize because:- Official language English- currency is pegged at $2BZD to $1USD- Property ownership laws are English based since they were ruled by England. 

Do you see a lot of US investors in the Toronto market considering the currency rate right now?

I personally don't see long term success for BTC and other independent currencies.   

I would do HML in BC and get a loan pay off no with holding of my profits.. and I made a nice play on the currency delta..

The US dollar which is diluted and loses more value each and every year, or a new currency that's backed by gold? 

In every real estate transaction you engage in, have three exit strategies, one of which is what you will do when (not if) the real estate and credit/debt/currency bubbles burst as real estate did during the "Financial Crisis".Keep in mind that residential properties lost approximately 50% of their value then in a very short period of time.