> app that supports 18 modules, saving you time from switching and integrating between different providers.

this is not a compelling pitch. I can tell you this and other "problems" you identified have not been real problems in places i've worked. you're trying to play the same game that google and microsoft are losing at. that's not a solid strategy.

I think you should take a page from basecamp and focus on a subset of these that small businesses would be interested in.