Methods, computer program products, and systems are presented. The method computer program products, and systems can include, for instance: obtaining a request for in venue pickup of an article by a customer user, the request specifying an article identifier for the article; obtaining from a data repository article dimensional information of the article; evaluating loading of the article into a transport apparatus associated to the customer user based on the article dimensional information and transport apparatus dimensional information of the transport apparatus; and outputting a notification to the customer user based on the evaluating.