Paying for a SaaS subscription you don’t use sucks. Sure, I don’t use that shameful cupboard with the ice cream maker, sous-vide device and electric ham-cutter either, but at least those things don’t charge me again!In SaaS, billing is an underrated aspect of the customer experience. Money brings the customer-vendor relationship down to brass tacks. Even the friendliest customer support reps lose their charm if you feel like you’re getting ripped off.The ad-free subscription search engine Kagi r...