Hamilton has been a hot spot for tech start-ups, making the city a bustling place to do business, discuss new ideas and look for investors.

To answer all questions about how to build a successful business, Dragon's Den investor Bruce Croxon was in the CBC Hamilton studio for a live Q & A during Supercrawl, hosted by reporter Julia Chapman.

Croxon co-founded online dating site LavaLife in 1988 and later sold it for $180 million.

Watch the highlights here.