Immediate Setup: Purchase Opal card at any train station, ferry wharf, or 7-Eleven (minimum $10 top-up required). Daily caps are $17.80 weekdays, $8.95 weekends/public holidays — These are absolute maximums regardless of distance or transfers.

Advanced Cap Strategy: Tap on before 4:59pm Friday to trigger weekend rate instead of weekday rate for Friday travel. The 60-minute transfer window between transport modes (train/bus/ferry/light rail) counts as single journey pricing — Strategically chain multiple modes within this window to maximize savings.

Real-World Example: Blue Mountains day trip: Central to Katoomba train ($8.65) + multiple Sydney buses + Circular Quay to Manly ferry ($8.35 peak/$6.15 off-peak) = maximum $17.80 total with weekday cap. Same journeys with paper tickets would cost $35-45+ individually.

Peak vs Off-Peak Timing: Peak hours are Monday-Friday 7-9am and 4-6:30pm. Off-peak saves approximately 30% on individual journey pricing before caps apply. Weekend rates apply all day Saturday/Sunday plus public holidays including Good Friday, Easter Monday, and Australia Day.

Pro Tip: Download TripView app for real-time departure boards and trip planning that factors in transfer windows. Airport train surcharge ($15.69 each way) doesn't count toward daily cap — Avoid unless absolutely necessary.