The current situation is very depressing for most investors as the first 3 months of 2018 have seen dramatic drops across the board. If you have any funds available then this is a great opportunity to buy or average down.
the strategy that you convey is very appropriate and good if you have the confidence and patience to take advantage of the decline in market prices by buying, but many investors who are scared and panicked with this very bad condition again need considerable confidence and patience as the main capital in starting investment with conditions like now