Not implying this would be a high growth startup or anything, just saying that it's a personal annoyance in my life and if it exists I'd totally click on an ad for it, and give away up to or even more than 50% of the sale price of all my items.
This could be a piece of the puzzle: <a href="http://www.wired.com/2014/09/the-next-big-thing-you-missed-startup-aims-to-give-everyone-the-mighty-shipping-power-of-amazon/" rel="nofollow">http://www.wired.com/2014/09/the-next-big-thing-you-missed-s...</a>