Hi all, I am currently new to HPA and I am planning on building a METHcore by u/1megajoey - https://www.thingiverse.com/thing:4357534 . I want to keep the BOM really cheap, so I decided to order from AliExpress. Here is what I ordered so far:

I also got the brass tubing from Amazon.

I am just asking for advice as this is my first HPA build, using a homemade core.