Resources to improve my economic intuition
While textbooks are the best way to learn the material (MC=MR etc), here are some suggestions for improving your intuitive understanding of economics.

Books

The Undercover Economist by Tim Harford

The Armchair Economist by Steven E. Landesburg

Blogs

Marginal Revolution

Noahpinion

Conversable Economist

The Enlightened Economist (Great for book recommendations)

Podcasts

Econtalk with Russ Roberts

FT Alphachat

This is just a start. Hopefully these will send you to other excellent sources.