That's good advice—I like it. Another data point I use is that if I find myself adding a container for the sole purpose of layout, I realize that I should be u

That's good advice—I like it. Another data point I use is that if I find myself adding a container for the sole purpose of layout, I realize that I should be using grid. That is one of the biggest wins of grid: you don't need to pollute your markup with nearly as many layout/presentation-only elements.