Welcome.
I am against cig-a-likes (like Greensmoke) and pods (like Juul) unless you can refill them.
Clearly, anything that gets you off/keeps you off the smokes is a good thing, but there are a lot of products out there which are very poor and very expensive and tie you into their refills.
I vape for less than $1 a day. A proprietary pods or cartomizers refill system in the UK can cost thousands a year.
The first cig-a-like system I used was lining up to be $4,000 a year. But... it sounds like you have worked this out about Greensmoke, Blu and all those other evil brands that want to enjoy 500% profit margins.
It used to be possible to buy stick cig-a-like systems in non-brand (as made by Kangertech and ordered from China) for 15-20% cost of the brands like Blu and Greensmoke.
Have you considered a slim/small 'ego' type system with a modern clearomizer? Inexpensive and satisfying if a cig-a-liked worked for you.