Anyone who has tried a vape oil cartridge knows this is the crack of marijuana, even using a $7.99 CBD E-Cig setup*
I needed to find a cheaper alternative to paying $60+ for 1 gram vape oil cartridges and I did, now I buy vape oil
in bulk-3mg tubes, cost is about $100 for 3mg, and that comes with a couple of ‘pipet’s’ (a small medicine
dropper) that will just fit inside the small fill hole on the top of the cartridge. If re-using a vape oil cart, remove the mouthpiece
first (it either pulls off, or unscrews) look for the silicone plug on the top of the cartridge, pull it out & there’s the fill hole. I have
found it is best to unscrew the cart from the battery, this allows to fill to vent a little. Put the plug back in the hole and re-attach
the lip guard. I noticed the new cartridges I get don’t come with a silicone plug, you can’t lay this down without a plug!

This makes vaping via e-cig cost almost half as much,
and it is nice on so many levels

* I go to a local smoke shop and ask for a CBD Starter Kit-1, they are $7.99 here and nice for different flavors/strengths I have 5 of them