More often than not, the main question LEGO investors are trying to answer is “When is this set retiring?”. As we all know, once a set is retired is when it really has the potential to start growing in value, so it is not surprising that the EOL question is as common as it is in the forums. However, focusing entirely on currently available sets may be causing investors to miss on a potentially lucrative market: sets that have already been retired for quite some time. It is not the first ti