It's seriously a good thing to be making hand charts. Starting hand charts, 3-bet charts, call behind charts... anytime a common situation arises that should have an effect on your range, have a chart for that. KNOW why certain hands are strong or weak in different circumstances. Have a plan for what you'll do with every hand when those situations arise. Modify your plan as you find strengths and/or weaknesses in it.

If you play the same range of hands from EP as you do in MP and LP, then you are seriously failing to understand what "positional awareness" is.

If you are playing small PP's and SC's, S1G's against short-stacked villains, you are probably failing to understand the basics of implied odds.

If you always play Axs to catch a flush, and you don't know how much Villain will stop betting if the scare card hits the board, then your understanding of reverse implied odds needs revision.

Summary:
Always be thoughtful about what you're doing and why. Be dynamic in your ability to adjust your strategy to changing game flow. Different hands play well or poorly depending on Villains' ranges. Being IP or OOP makes a monumental difference in the ability to extract value from hands. Knowing your ability to get the implied odds you need on post-flop streets from a villain makes a huge difference in post-flop playability.