What's the deciding factor for you when choosing a walking tour in Italy?

I'm a huge fan of themed tours - food tours, wine tours, cocktail tours, local snacks, street art ... anything that gives me the chance to explore something I might not find on my own.

I would agree with Heather and say the theme! I've always loved Context Travel and their interesting topics for tours that vary away from simply hitting up the top sites. Also food or vespa tours are super fun!