Tacomas look funny with 4x8 sheets. Even my 6.5' F150 bed is sh!t for that.
I suppose it would depend on my mood but in your place I might have found myself making the HD dude keep cutting pieces until he handed me undamaged material ... but that was me with good knees. Bullying is way more fun than bluffing.
Near as I can tell this is the grandest sub build around here ever. I wasn't kidding about running a 30 amp line. Rick will know how. Invite him down when it's done. Now I'm thinking about how I would do that here. Clean electricity is 80, no, 90 percent of the sound.