I find the "saves money" routine a bit transparent. It deprives your boss of the satisfaction to have contributed something important. Let your boss save the m

I find the "saves money" routine a bit transparent. It deprives your boss of the satisfaction to have contributed something important. Let your boss save the money, get the tools you want or need. How? Simple, compare two solutions, write up advantages and disadvantages and present them. Since you have already made up your mind, you're biased to the thing you want anyway. Your boss will usually see your point and make the right decision.