Take a Gondola if you can afford it: it's expensive, but the Gondoliere may decrease the price if you ask (but they can also decrease the time...). Make sure you reach an agreement on price and time before you start! A good tip with the Gondolieres is to bargain the price down as low as you can, then say that it's still too much and walk away. Two or three of them will chase after you, one after the other, each offering a lower price than the last. It's possible to knock €20-€30 off the price(even then, be prepared to shell out €8