as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
generate a list of questions a customer might ask when purchasing a product.
user
here are some questions customers might ask when purchasing a product: 
- what sizes do you offer? 
- what are the materials of this product? 
- what is the return policy? 
- what are the shipping costs? 
- is this product easy to install? 
- where is this product made? 
- what is the warranty? 
- what colors do you offer? 
- what makes this product different from other similar products? 
- are there any discounts available? 
- is this product suitable for outdoor use? 
- how long will it take to receive the product? 
- is there a guarantee for the product?
assistant