You will also need some syringes and blunt tip needles. I suggest getting 3 of each - 1 ml, 3 ml, 5 ml, 10 ml. As for the needles, get 5 each of some 14 gauge and 18 gauge.
For nicotine, there are plenty of great vendors. I suggest Nude Nicotine or Vapers Tek from Bull City Vapors for the...