The most budget-friendly way to navigate Venice is undoubtedly walking, as the historic center is compact and pedestrian-only. However, to cross the Grand Canal or visit islands like Murano and Burano, the cheapest public transport is the Vaporetto (water bus). A single 75-minute ticket is expensive (around €9.50), so the real savings come from purchasing a Timed Travel Poster (24h, 48h, or 72h) or a "Venezia Unica" city pass, which can bring the per-ride cost down significantly. For a "cheap gondola experience," you can use a Traghetto; these are large gondolas used as ferries to cross the Grand Canal at specific points. A Traghetto ride costs only €2 for tourists and takes about a minute, giving you the authentic feel of a gondola for a fraction of the €80–€100 standard price. Finally, if you are staying on the mainland (Mestre), taking the local train or the "T1" tram into the city is much cheaper than staying in the lagoon and using water transport every day.