Most people have vaped in the presence of a coil that is on the verge of burning out. It is a sad and frustrating experience. First, the flavor begins to lessen and fade. Then the vapor becomes weak, and before long there are offensive burnt hits. This is damaging not only to the device , but to the spending as well. Performance concern to the coils is essential to the vaping experien... https://www.vapeuniverse.co/blogs/news/rpm-3-coils-how-long-do-they-last-how-to-extend-their-life?_pos=4&_sid=cab3a787c&_ss=r