Use strong language to emphasise the irrevocable nature of your offer. After finding your solution, people won’t feel the need to keep looking. Finished. Finito. They will thank you for saving them from their predicament, and you will be regarded as a hero. Make your proposal their last, best hope. To give just one example, “the last razor you will ever have to buy.” The ultimate enterprise resource planning system. Say it with us now: “We have the one and only pen you’ll ever need.