I too have definitely not saved any money so far. On the contrary. Buying vaping gear have made quite a dent in my savings account.
From the top of my mind: 7 EGO batts, 2 VGO/krk808-D batts, a Precise Plus 18650, an Omega, a Lavatube, a Buzz Pro, 10 attys, 100+ cartos, lots of flavors, VG, PG...