That's why I figured I should ask so many questions... There's always the possibility that something changed (like this) that I hadn't noticed but someone else had, as well as wanting confirmation before melting stuff.Ahhh sneaky sneaky CIG, then they have changed their FAQ in the recent months ^^
Untill around march this year, it was possible to buy back packages at their discounted price, and the FAQ stated as much, since I made some tickets to get some packs at the origginal price.
This shows just one thing that CIG is changing how it works without any notice, so the only thing we can get out of this is : always keep the stuff you want in hangar !
I'm guessing my "credit" bought CCUs that have no savings at present, and the duplicate LTI's\WB ships I don't need right now should be safe to melt, though.