In 2026, refillable vape systems save the average adult vaper $520-$840 over 6 months compared to disposables — and that gap is widening. With 35 states now levying vape excise taxes, Washington hitting 95%, and California banning disposable nicotine vapes entirely, the cost case for switching has never been stronger. Disposable sales dropped 27% year-over-year while refillable device sales grew 41%. If you vape daily and spend more than $40 per month on disposables, a refillable pod system pays