The trouble with cliff edges is that falling down the wrong side can be fatal, literally, and while tax might not kill anyone, the pain from an unexpected tax bill caused from falling on the wrong side of the law, might feel like you’ve been pushed over the edge.

I recently went sailing and after tuition, was allowed out on my own. All was going well but day three of my solo sailing and I nearly capsized; it took all my weight to get both hulls of the catamaran the right way up.