How to Cultivate Insights

The trick would be use these as a tool but don't make them a crutch. What can individuals do to cultivate insights? Are they things like their practices or routines that we can put in our place and everyday lives where basically make it a more fertile environment for insights? I've wondered about that. And it's only in the last few months that I've come up with something and I haven't tested it. So I'm playing around with now.