As you love your creation, look critical at the actual proposed "savings" of money. This will be totally uninteresting to broadband and local mobile users, but

As you love your creation, look critical at the actual proposed "savings" of money. This will be totally uninteresting to broadband and local mobile users, but think different countries and most expensive data they offer to users, tourist and roaming mobile data plans, or satellite internet (remote territories and open sea vessels), what would they potentially save? How large is this audience? Will they be interested? Base your fee on this data.