Every store could probably easily double their sales of water quality products if they make the effort to show their customers just how important these items are. (petbusiness.com)
So I was continually tweaking the description and I think that at one point I got it right, because it suddenly doubled our sales in just an hour. (blog.reedsy.com)
We basically doubled the sales from our paid channels in less than a month, but kept the same advertising budget. (inc.com)