You have the job. BUT, you have to negotiate your salary. You don't want to be greedy (you are grateful), but you also need to feel adequately compensated and appreciated. There are no "re-do's" in salary negotiation. Remember, your employer is trying to hire you for as little as possible. Can asking for what you are worth and what the market will bear result in an offer withdrawal? Get all of your salary negotiation questions answered so you can make negotiation a non-negotiable.