Dear Ms. Edwards: Thank you for taking the time when you were in our Dover, Delaware, store to fill out a credit card application. This letter must disclose the terms of the agreement such as principal amount, interest and schedule of payments.1. In the sample letter, fill in your personal information. The following page is a sample of a letter that you can send to a collection agency if you think you do not owe the money they are trying to collect. Don't let bad credit scare you away from an apartment. Write a letter explaining credit problems to your landlord and get a fighting chance. I am writing to confirm my acceptance of your employment offer on April 20 and to tell you how delighted I am to be joining XYZ Corporation in Chicago. Don't let bad credit scare you away from an apartment. Write a letter explaining credit problems to your landlord and get a fighting chance. Charleston IL 61920.