To exercise restraint  during my first time outing to shop at the Las Vegas North Premium Outlet Mall I set myself three rules of operation. 

Number one, I needed to keep in mind the maximum allowable duty free allowance coming back into Canada - and this would keep me within budget. Number two, to achieve rule one, was that I had to stick to my pre-written list of items - no random purchases.  Number three - if an item wasn't absolutely perfect for what I had in mind, it had to stay on the shelf - no buyer's remorse allowed.