This is a nice idea and I support it, but I just wanted folks to be aware that Greenfield already has something similar in place that is not restricted to members of the FC Chamber of Commerce. Common Good Greenfield has been around for a few years now and not only encourages people to shop locally, but actually has a system in place that allows for the re-investment of money spent locally for causes that contribute to the Common Good. Check it out at https://commongood.earth
David Greenberg
Colrain