Until a few months ago, I had a natural stash-control regime. I stored all my yarn here:

What wouldn’t fit, wouldn’t be bought. However, things got out of hand when I started planning several large projects and opportunities for buying the right yarn came along. Ah, the slippery path of forethought…

Now I store excess yarn (as well as ongoing projects) in infrequently used bags. They are hanging from the bottom of the loft bed – which is reserved for guests, but mostly controlled by the cats:

Oh, no! I need to make more bags!