We don't have a corner shop - the nearest shop is about 10 mins walk away and includes 2 pelican crossings, a zebra crossing and a couple of minor roads.
DS1 (10) has an appalling sense of direction and might genuinely get lost , and has always declined to go on his own.
But ds2 (9 next month) has just successfully done it on his own for the first time.
So now we no longer need to run out of bread/milk/fruit ... I can send out my slave