Something else you might consider are some of these for your VG, PG, and Nic base:
Vestil BTL-RC-2 Low Density Polyethylene (LDPE) Round Squeeze Dispensing Bottle with Removable Red Cap, 1-3/8" Diameter x 4-15/16" Height, 2 oz Capacity, Clear: Amazon.com: Industrial & Scientific
Along with a...