My mother has been a smoker for a long time, and she bought a "myblu" on a whim. However, she is concrned about the need to buy small recharges, as it is obviously not environment-friendly. Moreover, she had issues with the battery (I think it's not charging anymore, or maybe charged but not producing vapor) after a couple months of extremely light use. As she finds the product unreliable (battery capacity, etc), she always have cigarette "backups".
I do not know anything about the mechanical parts used, nor the chemicals (for DIY liquid), or even the various vapes on the market.
Are there good, reputable and independent review sites or wikis on this topic? Preferably not with toxic kitchen recipes. I think a good vape could accept either standard or homemade products, with a standardized battery, and as much replaceable parts as possible.