Onsite upgrade (pass upgrade)

The show floor is the best sales demo your pricing tiers will ever get: an attendee who registered for the free expo pass walks past a packed keynote, hears colleagues discussing a session, and suddenly the delegate price they declined online has a face. Onsite upgrades exist to catch that moment, and the operational requirement is friction removal — the impulse is perishable, so the path from "I want in" to an upgraded badge has to take minutes: an upgrade desk near the conference entrance (not back at registration), payment by card or app, instant badge reprint or digital entitlement update. Events that handle upgrades through the main registration queue convert almost nobody, because a twenty-minute wait outlasts the impulse. Pricing deserves forethought too: charging exactly the difference between tiers is clean and defensible; charging a premium punishes the very enthusiasm you want, while discounting onsite teaches next year's audience to register low and decide later. The common mistake is not equipping door staff to sell — the steward turning someone away from a delegate-only session is standing at the single highest-intent sales moment of the event, and "sorry, wrong badge" wastes it where "you can upgrade at that desk in two minutes" converts. One honest nuance: upgrade revenue is a useful signal that your advance tier communication undersold the difference; read it, don't just bank it.