On your to-do list:
As a store owner you must see your self as a trainer and educator. Product knowledge training insures that your staff can sell more effectively.
As part of your internal systems you should have procedural files, or manuals, that include information on all the products you sell listing their key features and benefits. Stretched to find this info, call your venders or reps.
As part of your weekly training meetings plan to focus on product knowledge info on new products or review existing store merchandise. Your staff should be able to talk with enthusiasm, and confidence, about the products they sell.
On going Product Knowledge Training will do the trick and help increase sales.