[Princeton]

a feedback / rating system can be abused - it will only create new problems

the best form of promotion (or selling your services)...
is to act appropriate (whenever posting), release great products, write great articles, and offer support.

your actions dictate:
- Who you are.
- What type of person you are.
- How good you work with others.

once you start doing this employers/buyers will start contacting you

TIP:
Large employers are often lurking in these forums - looking for qualified personnel. The actions you take here can make a difference in your life. By standing out, you will start getting offers too good to pass.