I've ran it before but it was hard for me to tell if I was getting an energy boost, since I'm on 40mg of Adderall per day.
If there's an affordable kit I wouldn't mind running a higher dose and see if I can come off or lower my dose of Adderall.
HCG increases your sperm count, which can help with fertility as well.
HCG is only needed if you want bigger loads, bigger balls, or trying to make babies.
IMO
1 & 2. https://www.steroidsourcetalk.cc/index.php?wiki/references_reading_material/
3. Aromatize Inhibitor = AI, yes Arimidex is an AI
4. Look up "Vigorous Steve Anavar" on YT, might not be a bad idea to run a low dose, but get your levels lined out first.
I'd say do half and half GW-501516 + GW0742
Personally not sure if I'd do another run on Cardarine, some of the research has me second guessing it. It's probably fine, and it definitely worked. I'll be looking into it more before my next cutting cycle.