Are prepaid calling cards a good reseller or affiliate program?
Actually, there a lot of services that have been available for some time now, but in the last year or two these services have become more competitive and offer a very good service. The key is to market to the right group, as this group has changed since the old days when calling cards were primarily just a way to get cheaper long distance. Now with a lot of that niche has been taken a way. But, check out discussion on what groups are the right prepaid calling card group (marketing niche) and this business would be a good online business model.