Yes it was cancelled. It stopped filming in 2010 but still show some new shows from that time that were left over now in 2011.
The duration of Designed to Sell is 1800.0 seconds.
Designed to Sell - 2004 Getting a Rancher Ready to Sell was released on: USA: 30 December 2007
Designed to Sell - 2004 Downsizing in DC was released on: USA: 2008
"Good till cancelled" in stock trading means an order to buy or sell a stock that remains active until it is executed or cancelled by the investor, regardless of how long it takes.
Designed to Sell - 2004 4-10 was released on: USA: 17 March 2008
Designed to Sell - 2004 4-11 was released on: USA: 22 March 2008
Designed to Sell - 2004 4-12 was released on: USA: 29 March 2008
Designed to Sell - 2004 4-13 was released on: USA: 31 March 2008
Designed to Sell - 2004 Reviving a Victorian was released on: USA: 8 November 2010
Designed to Sell - 2004 Hoping for a Houseboat was released on: USA: 18 November 2008
Designed to Sell - 2004 Florida or Bust was released on: USA: 10 February 2008
Designed to Sell - 2004 No Closets No Sale was released on: USA: 4 December 2010