When you enter an invalid coupon code during an online transaction, the following scenarios may occur: 1. Error message 2. No discount applied 3. Limited attempts 4. Customer support In summary, entering an invalid coupon code may result in an error message, no discount being applied, limited attempts to enter a code, and the need for customer support assistance.
The article discusses the possibility of syncing desktop and document files between a Mac and an iPhone. It explains that this can be achieved through various methods, such as using iCloud Drive or third-party apps like Dropbox or Google Drive. The steps to set up each method are provided, along with a recommendation to choose the method that best suits one's needs and preferences.