If you need a new company logo designed, you can post a request for proposals on eLance. Or, select a suitable designer from the list of independent professionals in more than 120 countries. Private message boards and a shared file system help users work together.
Registration is free, as is use of the site during the beta test period.
It also takes care of the invoicing and bill collecting. With the paperwork off your back, you can get down to business. You'll have to register first, but the good news is, it's free. If you need advice on such things as which expenses to deduct from your taxes and which kind of Internet connection is best for a home office, myriad information is available in the Run Your Biz section. There's also a discussion forum and a free place to post your profile.