Let's be honest, when you've got:
You have Chima sets still on the shelf, that have been retired for 2+ years, and they're still marked above RRP,
You don't automatically PM your website (and PM'ing negates coupons and other discounts),
You jack up the prices above RRP so that your sales aren't really sales,
You have so many exclusions on your coupons, that you need a magnifying glass to read them,
Your jacked up prices cause people to just go to the other big box store (Target, Walmart) that sells LEGO in the same shopping center
...you're gonna have trouble staying in business.