By requiring a credit card number the above practice is deterred and patrons more likely to call and cancel if they think their credit card will be charged for the first night if they don't arrive.
Oftentimes, it's wonderful to be flexible with travel plans. This is, afterall, one adventure of visiting new places. But please be respectful towards the hard working families giving us an inexpensive, clean place to stay in their "homes". If you can't arrive ontime or need to cancel, CALL THEM, please. Thank you!!!
TIPS: For security reasons, it's not recommended to send credit card information in an email or even on an online reservation application form unless this is on a SECURE SERVER. You can see if it is a SECURE SERVER if the website address (URL) of that application page starts with: https:// the "s" in "https://" means this is a SECURE SERVER.For higher security, one could: