A good question.
A local answer.

Check the current Vivid dates and transport notices; a past year's price pattern will not predict every night.

A physical Opal card can still suit someone without a compatible payment card; compare the current fare rules and concessions before buying one.

Check dietary needs, teen-friendly options and cancellation terms before booking a fixed menu.

Check the actual per-person price, session length and weekend surcharge before travelling, since buffet offers can change quickly.

Each traveller needs their own valid payment method or Opal card. Do not pass one phone between several people at the gate.

If the final charge differs, use the operator's in-app fare review and keep the trip receipt rather than assuming the headline estimate included every fee.

Consider an open-air facility or parking farther out near rail if suitable central spaces are scarce.

Check the operator's age, licence, clothing and weather rules before planning the rest of the day.

Check the production's official ticket seller for the exact dates and seating inventory before deciding.

You can also take the train independently for main lookouts; check current trail access and return services first.

Compare exact addresses, cooking facilities and total travel time; CBD and beach listings vary more than their labels suggest.

Compare exact hotels near useful rail or ferry stations in the CBD, The Rocks or nearby inner areas, not suburb names alone.