Im a fan of SweetMaria's Ive been getting green coffee from them
for a long time. I dont work for them.
this post is to point out , no matter where you get your green beans
or if you are only beginning to think of home roasting
SM has a huge amount of interesting information on their site :
https://legacy.sweetmarias.com/library/423-live-stream-roast-levels-rerun/
I found this interesting , even though Ive been roasting for some time
the video is fairly choppy as it was a live stream
keep that in mind.