There is no guarantee the stock market will return money in the future. The past does not equal the future and in fact some experts predict that the stock market will return around 3% on average going forward. Also even if the average return was 7% most people have achieved much less than that.
Obviously it's less effort to invest in the stock market so if you're talking about the amount of effort then yes investing is easier
Obviously it's less effort to invest in the stock market so if you're talking about the amount of effort then yes investing is easier