The children's analysis in online-only appendix had an asset.
Also note that you may not be able to use manufacturer's coupons on the site - but that can often be balanced by special online-only offers (such as 15% off the order for selected delivery times).
You can enjoy lower prices by ordering directly from the manufacturer or an online-only store with lower overhead costs.
Other websites will have their own online-only specials.
Online stores will be doing everything they can to get their piece of this money with special deals, free shipping, and exclusive online-only ads.