Those are all great reasons.
Health is the most important.
Saving money is a bonus that happens only when you find a good device/atty and eliquid combo.
I believe that there are certain combinations of eliquid and atomizers that work much better together than others.
I also believe that...
Why do you want to quit smoking?
I'm sure there are multiple reasons.
If you had to list the top three reasons with the first being the most important, what would the list consist of?