I'm a huge advocate for life long learning through the knowledge of other people, books, live courses, audio or online courses. I do something every single day to increase my knowledge and learning. However I find that the biggest learning curves are through applying, failing and readjusting the knowledge. Whenever something does not work and there is money lost or business lost, I find that I get more than the loss back once it has been re-adjusted through my own experience. Some of the mistakes I have made were - purchasing properties when zoning policies changed (on the day of settlement) so that subdividing plans fell through and we had to sell at a loss, lots of business mistakes, marketing mistakes. Success can sometimes be proportional to how many times you have failed. Anyone want to share some of the failures they have had along the way and how it's helped improve things at present?