The lowest entry level package is $50/month. That would be nothing for any business but may cheaply solve a lot of problems with all the compliance rules and regulations there are these days.
Now imagine if John Blake's 1,000 surf shop clients all signed up for the cheapest package
50 x 1000 x 12 = 600,000 pa
and this is not even scratching the surface of the potential that is out there.