I'll dive right into this article by discussing the investment potential of the "comes in black" 76023 Lego Tumbler set. It appears production was stopped for the $199.99 76023 Lego Tumbler set months ago about the same time Lego slapped the infamous "retiring soon" tag.  European and US  Lego Shop At Home websites have either sold-out (red font for those who track that) or removed this set's page entirely.  In the US, only Amazon and Target have stock currently.  According to Brickpicker