If you are quitting smokies, then get a good mod, REO, Precise, Provari, Whatever..... Just get a good one and a tank or a handful of atomizers.
Yes, they are worth the price difference. Yes, you will save money if you switch to something better sooner.
Better battery life, better customer support, better warranty, better vape, better options, better ease of use, better ergonomics, better economics, better............everything.
The math says good mods are better than gas station sticks.
Gas station sticks are great, and they introduce a lot of peeps to vaping, but they are not the best way to vape long-term.