What it is the first point for inventory control?

Inventory control is all about planning optimum level of stock to meet the demand in right time and in right place.
So that, it yields higher returns, achieve low level of Obsolescence and low value of carrying or holding cost.

Always product knowladge is the1st point of inventory control then maintaining accurate stock records, good forcasting (future orders) 

Know your stocks (beginning inventory/maintaining inventory) monitor stock movement analyze effectively and consider the customers demands for you to have a accurate inventory control.