I want to buy a smart computer from your company. I have some conditions. The product must be

Offer
I want to buy a smart computer from your company. I have some conditions. The product must be :
-Believeable
-Guarantee for 3 year
-If the product may break down during 3 years without my fault , you will give me a new one
Your benefits:
- I agree to the prize of a product you said
-I advertise your product in my instagram account during 3 years