In my experience, vape oil should be left to the pro's. Take a look at short path and fractional distillation.
Making 'oil' (generic for dabbing concentrates) for dabbing purposes needs a solvent to strip the goodies off the plant material. Whatever the solvent, there is a drying and curing process that needs to be done.
Some folks are looking at pressing rosin for dabs. They know who they are. We have already talked.
The quickest way to get a dab is a glass dick (glass extraction tube) and a can of the best butane you can get.
My penultimate setup is a dewaxing column, vacuum pump, vacuum chamber, and Whip-It.
I suggest no one try anything I say. They are dangerous and you can cause disastrous disasters and shenanigans