You can always choose to select or build a more comprehensive publishing package that includes features such as copyright registration, expedited publishing along with custom layouts and illustrations for an additional fee. (amyharrop.com)
If it's really cheap, it might be simple formatting and not that super cool custom layout they're highlighting. (toughnickel.com)
Certain books may require a specialized layout technician to work with you on your specific custom layout requirements. (authorhouse.com)