The simplest and easiest to use are the cigalikes, ones that look and feel like a cigarette, and these are normally pre-filled with e-liquid
Thats a bummer
The cost of the raw materials, manufacturing processes, promotional activities, and distribution of tobacco products only determine the final profits for tobacco growers, manufacturers, wholesalers, and retailers rather than the price of the cigarettes themselves
Selman C, Tullet JM, Wieser D, Irvine E, Lingard SJ, Choudhury AI, Claret M, Al-Qassab H, Carmignac D, Ramadani F, et al
Some herbs that are safe to smoke are calendula, damania, lavender, marshmallow root, mugwort, mullein, peppermint, and thyme