Is vaping really cheaper than smoking?? With or without the cost of medical bills that won't have to be paid because am no long killing my self?
Well in the long run, probably more expensive, adds years to your life, and lets face it, every added year of life, because of vaping and not having to smoke, cost ten's of thousands of dollars, to remain on this planet instead inside it. Add in senior cost of medical, and inflation, yeah, much more costly than smoking.
Thing is, if vape gear is chosen wisely, it will provide years of service, the cost of vaping is only a couple hundred a year, for juice supplies, wick wire and batts, if one does DIY juice, that is. Mods and atomizers are the investment into a quality vape, and life enhancement. And after your first mod and decent re-buildable atomizer, one doesn't require any more gear. That probably won't stop most from getting more.
In the year I haven't smoked, I have rigorously reinvested the money that I haven't spent on tobacco products and have started a modest collection, ranging from a variety of the best of the best tank systems, dripper atomizers, both mechanical and high amp regulated mods. Am set for life, long as they don't come up with something that I just gotta have, that is

Collecting should have no bearing on "the cost of vaping", that's the cost of a hobby. It's like coin or art collecting. Heck, even have a couple one of a kind Authentic mods, that will likely increase in value, but will also last to the day I no longer have to pay to be planet bound.
Vape long and Prosper.!!!