A good question.
A local answer.

Look up current casual menus near both accommodation addresses before setting a daily food budget.

Compare the exact room category and recent maintenance comments rather than brand reputation.

Compare a car for only the regional day with city transport if the deposit is impractical.

Choose a convenient location so the rest of the weekend remains easy.

Balance the student's commute against the others' daytime activities and kitchen needs.

Check the current official route map and which ferries are free before walking to a terminal.

Check water conditions and activity age rules before promising snorkelling or a park visit.

Give the city at least two unhurried days before adding a long regional outing.

Read recent room-specific reviews rather than assuming every unit in a stylish building feels alike.

Use the current airport journey planner before assuming a particular fare card or taxi is required.

Review the app's current unlock, time and parking fees before starting a ride.

Test actual door-to-door journeys at work start and finish times before choosing a suburb.