We could argue about what's a "typical" SaaS monthly fee, but I'm pretty sure your $50/mo is for the SMB/Enterprise space where my $5/mo is for consumer.
As you say, I see SaaS as primarily a B2B product. I have trouble naming successful B2C SaaS products, outside of perhaps Dropbox (although I still think Dropbox is primarily B2B, at least in terms of revenue).
But we probably agree on this: if you charge $5/month, this product is not for you. If you charge $50/month, the fees are negligible.
