Methamphetamine is only Schedule II. You can buy it at Target. There's a fun video of a congressional hearing with the DEA head and a few reps hammer her on this, only to get lots of talking in circles.
With ID, might I add. CVS wouldn't sell me pseudoephedrine using my foreign license, which enraged me. I had to settle for phenylephrine which is a very poor replacement. Mind you, I've bought liquor using that license and never been hassled.