I had about 2,800 domains a year ago and I've been trimming them down. Make sure you keep good stats, let the worst ones expire and sell some better ones. I'm down to 400 domains now which I find so much simpler to manage, and I am now able to remove links to sponsors that are no longer paying and tons of other housecleaning. Profits are going up, and removing the extra expense of the domains I don't need
