It seems to be the case that Lego products are aimed fair and square at kids and that what comes with "a set" should be enough "stuff" for the average target customer in 99% of cases. A few service packs and other items available from S@H service (...) (22 years ago, 22-Aug-02, to lugnet.robotics)
(...) I have to confirm John's advice with my own experience..... with the caveat that it does take time to check on some places regularly in anticipation of markdowns (post holidays TRU and others), exploring unexpected sources and such. I scored a (...) (22 years ago, 27-Aug-02, to lugnet.robotics)