(NewsNation) — The thrill of a new tour announcement can often turn to dread as fans navigate Ticketmaster's dynamic pricing system, which can turn an exciting purchase into a frustrating and expensive game of chance.

While fans of Ariana Grande may be pleased that she won’t be using that model for her just-announced "Eternal Sunshine Tour,” other acts have used the model, which has caused controversy.

What is dynamic pricing and how does it work?

Dynamic pricing is a strategy used by ticketing companies, such as Ticketmaster, that adjusts the prices of tickets in real time based on supply and demand, competition and other market forces, according to PriceFx.

There are different dynamic pricing strategies that companies implement, including surge pricing, which sets peak prices during

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