The first thing you will have to consider when diving into the world of RDAs (Rebuildable Dripping Atomizers) is whether to use rebuildable coils or prebuilt coils. Each option brings a list of benefits to your RDA experience. Each brings a level of functionality, and depending on your preference and experience, one may truly be better than the other. Considering your use and function... https://www.vapeuniverse.co/blogs/news/rebuildable-vs-pre-built-coils-which-one-is-right-for-you