This is the label I use : https://smile.amazon.com/dp/B000WR8TBI/ref=cm_sw_r_cp_awdb_t1_CxNkCb5Z3BJ2E
There are other more friendly looking packages from other companies if you search for food grade glycerine on Amazon: I have no affiation
Or
I order my PG and VG from Amazon, specifically the Froggy's Fog brand.
You can start with a quart of VG and PG,
Or go for a gallon of VG and PG.
I also order my glass bottles from dropperbottles.com, seems to be the absolute best price to quantity.