For great buys on business cards, notecards, stationery, etc., check out VistaPrint. The free business cards are nice, the only catch is a small ad ["from VistaPrint"] printed on the back.... They have a sale going on now, for various items -- and if you order, you'll get regular notices of other bargains and sales.
For free paper, take your old inkjet ink cartridges to Office Depot. Turn one in, and get a ream of paper. Free. There is a similar offer at Office Max, but only for certain ink suppliers. Office Depot doesn't care, they'll exchange no matter the source/manufacturer. The catch: only one ream per day.
For ink jet and laser printers alike, for both ink and specialty papers, try InkSell.com. If you live in San Antonio, you can visit one of their stores. Really great prices, and lots of kudos, quality awards, etc. - see the site for details.
Check out GotVMail for virtual office needs, great buy at $10/month. Lots of positive feedback for them, here.