Here are house offer letter samples to win a bidding war. 3 examples to use as a reference point.• Complete and sign the Application Form. Collection of family members' names is mandatory. The information is used to authorize a family to look for an eligible unit and specifies the size of the unit. Focus on three things: State your intentions, show that you have the financial means to make the purchase and make a personal appeal to the seller. Learn how to write a house offer letter that will be sure to make you stand out from the competition. A centralized place to download and access the documents they use to help their neighbors in need. The family is responsible for reporting all sources of income for the household. Focus on three things: State your intentions, show that you have the financial means to make the purchase and make a personal appeal to the seller.