You don't have to follow through. You just make the case to the engine licensor that you will take that option if they don't reduce their price. Alternatives ar

You don't have to follow through. You just make the case to the engine licensor that you will take that option if they don't reduce their price. Alternatives are bargaining chips, even if they are poor alternatives. Not every seller will make concessions when you do this. Some do, and some say "OK then let us know if you change your mind" and wait.