You should probably avoid long term employment untill you got 2 years and are fairly confident and in demand. That way you can charge more for long term. Kind of hard to justify a long term contract and say i need more money when you already placed the contract. Or you should have a clause in your contract salary will be negotiated every 6 months, something along those lines. So you don't get screwed over in the end.
But to get a better scope is, you should check out these 2 articles. Especially the calculator
http://freelanceswitch.com/rates/ <-- very important
http://christopherschmitt.com/2007/12/11/freelance-hourly-rate-determined/
But to get a better scope is, you should check out these 2 articles. Especially the calculator
http://freelanceswitch.com/rates/ <-- very important
http://christopherschmitt.com/2007/12/11/freelance-hourly-rate-determined/