For want of a nail the shoe was lost.
For want of a shoe the horse was lost.
For want of a horse the rider was lost.
For want of a rider the battle was lost.
For want of a battle the kingdom was lost.
And all for the want of a horseshoe nail.
For want of 6p postage, a job was lost. I just found out that one of my job applications arrived 9 weeks late because the Post Office was holding it hostage for the want of 6p. Please learn by my mistake. Find a Post Office branch that hasn't been shut down, access it during its paltry opening hours, and get your job application weighed before sticking stamps on it.