The longer you stick with it the more you will notice the savings! Once you find all of your favorite flavors and gear then you will start seeing the savings!
After my 1 year of steady vaping I still am spending less than DH does on cigs and I do try new things! Although not every new thing that comes out and I don't go crazy and get 10 of each. I try things here and there and get more if I can find a use for them.