I might buy a PR3 Domain, I was wondering would it be worth it if I sold links and exchanged link backs for links on my directory.
Check out the link sales section to get an indication on what people are paying for various niche's. Also the site quality, and PR of subpages plays a part. So.. If you buy a domain that has only got a PR3 homepage, then you will probably recoup your investment if the domain is cheap... But honestly it's alot of stuffing around for little return.