Inventory identification and valuation

For this next instructions, please make topic on “Inventory Identification and Valuation”. Here is the instructions for the topic above:

As we are bringing to a close everything we have learned over the past several modules, share with the class at least one important hint or tip that has helped you with a difficult concept.

Also, if you could take any one piece of important information with you as you leave this class, what would it be? Why? References and or resources used.