Helium.com | Spending & Saving (Other) | How to join Costco http://www.helium.com/knowledge/4066-how-to-join-costco.xml Helium.com > Spending & Saving (Other) > How to join Costco en-us Copyright Helium.com Sat, 25 Oct 2008 10:36:53 GMT Sat, 25 Oct 2008 10:36:53 GMT How to join Costco Costco is one of the largest worldwide retailer clubs.  It is membership based, meaning that you must purchase a membershi... http://www.helium.com/items/1678966-how-to-get-a-costco-membership Fri, 11 Dec 2009 06:10:15