Neil runs the numbers on the ROVIX Bar 35K: $29.99, about $0.86 per 1,000 advertised puffs, two modes, 13 flavours. Here is how it stacks up against the VFeel V1, BECO SLIM and STLTH x GEEK BAR 80K.

Weak hits, fast battery drain, and error codes on a device that worked fine yesterday — cold does specific, predictable things to a vape. Here's what's actually happening and how to work around all of it this winter.

Something's wrong and you want it fixed now, not a lecture. This is our master troubleshooting index — find your symptom, get the likely cause, follow the link for the full fix. Plus the three steps that solve most problems outright.