In February 2018 Vanguard Canada launched all-in-one complete Balanced Portfolios that you can purchase by entering one ticker symbol.
From the New York Times, are five key pieces of investing advice from John Bogle that any investor can implement.
the "Buffett Indicator". This is essentially the ratio of the total value of the US stock market to the US Gross Domestic Product (GDP). At the moment, the ratio of 151% is close to historic levels.
Ignoring market headlines isn't putting your head in the sand; it's a key to a basic investing tenet.