Being a semi-pro now (formerly pro, and soon-to-be pro again), I have a practice routine that I stick to just about every day. It involves warmup exercises for about 45 minutes, and then practicing on whatever material is needed for the coming weekend's gig.
I have a small collection (18 guitars, 2 mandolins, 1 bass guitar) and I rotate through the guitars so that each of them gets played once about once every two weeks. To accomplish this, they're hung on a system by StringSwing. This is the same slatwall system that a lot of guitar stores use. It makes them really easy to get at right a