Decline Job Offer. Perhaps the pay is too low, or the work isn't exciting enough. Dear Sir, Greetings of the day!
Be sure to express your gratitude for the job. Take a deep breath and don't forget that you're dealing with this because you're great and people want to hire you. There are many times when this might be the best course of action.
Sample Thank You Letter to Follow Up on a Job Interview.
It was an absolute pleasure to learn more about the team and about projects.
I appreciate you taking the time to consider my application and answering my questions about the company and the position. Perhaps the pay is too low, or the work isn't exciting enough. The trick is in managing the bowing-out process so that you don't look like a jerk, in case you end up re-applying for another job at the same company someday.