Upcharge is used as the billing counterpart to marketing's

upsell Upselling is a sales technique where a seller invites the customer to purchase more expensive items, upgrades, or other add-ons to generate more revenue. While it usually involves marketing more profitable services or products, it can be simply exp ...

. In one context, it means paying a smaller increment in price for a larger increase in what is received; in another it means paying an increase for a non-standard arrangement, what one writer called "upcharge money." It also may refer to a convenience fee: a pharmacy that carries basic grocery items and charges higher prices for the non-pharmaceutical one-stop-shopping items. While a surcharge is part of what must be paid, an upcharge is not always unexpected, and usually can be declined by rejecting the additional service or the suggested upgrade, albeit receiving less. The term ''upcharge'' is sometimes used when ''charge'' (or possibly surcharge) would suffice, similar to the matter of '' upsurge'' compared to the simpler words surge and increase. "Upcharge attraction" is one description of how

amusement park An amusement park is a park that features various attractions, such as rides and games, as well as other events for entertainment purposes. A theme park is a type of amusement park that bases its structures and attractions around a central ...

s charge both for admission and then for individual rides.

References

{{Finance-stub Business terms Pricing