Newsletter subscribers got a heads up on August 28 ??? alerting them to more than 100 products on sale through September 3 ??? but everyone can enjoy savings of up to 65% off on electronics including camcorders and home theater equipment. hhgregg, too, is taking at least 33% HDTVs and appliances, and bumping an extra 5% off items priced at $499 or greater when customers use an hhgregg credit card.