I have been thinking about getting into cardboard and pallet recycling my self and live in Sacramento.
From what I have read in past postings cardboard doesn't really pay too well to make it profitable, unless you have a warehouse and baler. Then you would need a forklift to move them around. This might help a little;
http://www.scrapmetalforum.com/non-m...cardboard.html
http://www.scrapmetalforum.com/non-m...rth-money.html
http://www.scrapmetalforum.com/non-m...d-per-ton.html