Unambitious startup ideas can be conjured up by a small team and sold to a big company later with hardly any up front dollars. If you want ambitious you should

Unambitious startup ideas can be conjured up by a small team and sold to a big company later with hardly any up front dollars. If you want ambitious you should look outside the realm of 100% tech startups. Specifically, you should look in the food/tech realm - but don't look at the worthless calorie counters. Disclaimer: I work for a struggling startup in the food/tech realm.