Oooo! I just saw this today. Very nice thing you are doing here 
Btw Flav, what kind of atty heads are we talking about here? Sounds kind of fun to rebuild something that isn't a regular rda... If that's what you mean anyway. [emoji4]Glad they're hitting for you! And, yes, you can clean and rewick those a number of times, then recoil them yourself. Never toss your old ones, I know somebody that'll strip them down and make them sing for you.
The only ones I’ve done are the Kanger single coils for the T3/eVod/PT/PTII/PT Mini, etc. They are easy to do and threads all over the place on how to do it. Much improved vape over stock heads, and I’ve gotten good reviews for those T3s’s I’ve sent out with a self-built coil. Easy to maintain as well.
There’s a girl who frequents the Nicoticket forum that was doing some head builds for me to send out, she has it down pat and loves to do it, but new parts are hard to find or are cheap runs. That’s why I encourage saving them to either send to her or rebuild yourself. Nothing to it.
Oh, and it is my pleasure to do this, very encouraging to see people like you who take up that gauntlet and do the legwork. CASAA is good peeps working for us, defending our rights and privileges, and they deserve all of our support.