You may have independently formulated the Pareto principle. The idea that you can get 80% of the theoretical max value for about 20% of the cost, but the next 2

You may have independently formulated the Pareto principle. The idea that you can get 80% of the theoretical max value for about 20% of the cost, but the next 20% of value requires 400% additional (the "missing 80%") cost. https://en.wikipedia.org/wiki/Pareto_principle https://en.wikipedia.org/wiki/Pareto_principle