http://www.newdirt.org/forums/topic.php?id=33
this is proven.... I just received 4 open lines of credit with not one hard inquiry. Was a huge relief for me to find this and I want to share it with you all.
best part- no annual fees 
))
Commonly referred on here as the shopping cart trick. Yes I've seen this and have heard that it works.
July 2013 score: EQ FICO 819, TU08 778, EX "806 lender pull 07/26/2013
Goal Score: All Scores 760+, Newest goal 800+
Take the myFICO Fitness Challenge
Current scores after adding $81K in CLs and 2 new cars since July 2013
EQ:809 TU 777 EX 790 Now it's just garden time!
June 2017 update: All scores over 820, just pure gardening now.