An exploding offer is when a company gives you a teeny tiny window to make a decision of whether or not to take a job offer. Generally it's 24 hours or less.A sample letter offering a job contingent upon the results of a background check or other criteria. The following tips will help you prepare simple and effective offer letters that work best for your company's operating style and structure. If the job offer was retracted on the basis of a protected characteristic, then the job seeker can state claims under state and federal anti-discrimination law. Can I back out of it if I receive a better offer from another company? A well written cover letter expands on your resume for the manager. Learn how to write a cover letter that will get a positive response.