A good question.
A local answer.

Compare the included transfer, flight length and weather cancellation policy before booking.

Use Translink's current card terms to separate the card cost or deposit from the amount available for travel.

If the combined schedule leaves no meal or rest break, split the visits across days or choose one.

Choose the extra night by what the group wants to do, not just by how many places appear on the route.

Keep a backup plan for a late arrival or service disruption rather than booking around an old fare estimate.

Choose a restaurant by its current menu and recent service reviews, then book at the time you want.

Check the current ride height and age guidance to see how many attractions suit the children.

Choose a restaurant on the route of your planned Tamborine stops rather than adding a long detour.

Compare the activities you want with seasonal daylight and historical weather, but keep plans flexible for the actual forecast.

Pack layers for early mornings and evenings rather than judging the whole trip by a midday forecast.

Keep a farm-gate or market visit as a fallback if weather or harvest changes the picking schedule.

Ask about pram access, toilets, shade and weather cancellation terms.