Please choose the correct ending to complete the given sentence: Travel: [header] How to get around rome on the cheap [title] Walk as much as you can. [step] Rome is really best seen on foot, anyway. Do not bother to rent a car while you are there.

Ending1: [substeps] Take the subway if you need to get across the city and it is too far to walk. It is much cheaper than a cab, and it works similar to the subway systems in most cities. Ending2: Everyone should be able to experience the scenery well. Camp out out for relatively cheap in you neighbourhood, but only for some occasions where nobody but you is even around. Ending3: Walking will only leave you vulnerable to attack. In addition, then the locals will appreciate your ferro style. Ending4: It's generally better to conserve gas on the way there. [title] Fuel up your car by changing into a gear.

Answer format: ending1/ending2/ending3/ending4