Those deals can be found here. Shipping starts at $2.95, but those who live in California can receive significantly discounted Overnight Delivery starting at only $5. The company is based in Rancho Cucamonga, California.
Among the categories that Monoprice sells items in are Pro Audio, photography, mobile accessories, computer & gaming, and Home theater.
A few of the available deals:
27" IPS-Glass Panel Pro LED Monitor WQHD 2560x1440- 440cd/m2 - HDMI® 1.4 / DVI / VGA / DisplayPort 1.2 w/Built in Speakers: $398.87 with a limit of 20 per customer.
Video security system bundle, $149.89
PC + TPU Edge bumper for iPhone 5/5s: $0.99
Sure Fit PC+TPU Case for iPhone® 5/5s, $0.99
According to Wikipedia, Monoprice was founded in 2002 by both Jong Lee and Seok Hong. On August 22, 2013, Blucora acquired Monoprice for $180 million in an all-cash deal.