Thank you for helping me with the recent purchase of my new (product). So far, I've been very impressed with the quality of this product. I would like to purchase the extended warranty at this time to ensure many years of service from this product. I will give you a... Dear (recipient's name),
Thank you for helping me with the recent purchase of my new (product). So far, I've been very impressed with the quality of this product. I would like to purchase the extended warranty at this time to ensure many years of service from this product. I will give you a call on (date) to get the paper work completed.
Sincerely,
(your name)