<human>:  What are the pros and cons of pre-ordering iPhone 11?
<bot>: 

Pros of Pre-order iPhone 11: 
1. Access to the newest phone before general release 
2. More choices of colors or size 
3. The ability to customize the phone before purchase 
4. Option to unlock features and get accessories with the phone 

Cons of Pre-order iPhone 11: 
1. Paying upfront for a product that hasn't been released yet 
2. Delivery delays as a result of high demand 
3. Risk of changes to product features or specifications prior to release 
4. Limited availability of stock, depending on the release date.