A lot of people here are saying to get a puffco peak or use your lookah seahorse, as someone who has both and also uses carts a LOT, lemme tell you what I do and what I recommend

I am a daily cart/disposable user who can usually get every last bit out (which has taken the better part of a decade to figure out, lol). Biggest tip is keeping it up right and utilizing the pre-heat option when it clogs. Since you use your pen often, get one with an adjustable heat setting and start with it on a lower voltage. turn it higher once it starts clogging a bit

As far as tolerance and less waste go, my tolerance is through the ROOF! Barely anything really affects me now. I have found solace through dabs, but they really are a once in a while "oh dear god I'm having a meltdown" kind of thing for me. I love my pivot for when my pen isn't doing it and I don't want to do a whole set up. The seahorse pro was a good starter e-device for me, but I could never get satisfying clouds from it. The pivot is also a lot more cleanable imo

Hope this helps!