purchasing advice

Heyaa, i am planning on buying something from verdampftnochmal and was wondering if anyone knows/knows where to find or how to get then as i cant find anything online. Tnx alot already :)

If this is tl;dr for you, you can just skip to my questions which are numbered at the end. Thanks! Hi guys, long time lurker, first time poster here. My current SC2 underdog that I've had for many years is showing signs of core death. This is my fourth log vape so I know the signs of core...