Cost of installing the system, cost of maintenance for a smaller number of bots, less dense shelving, more specialized training, lower picking costs because of

Cost of installing the system, cost of maintenance for a smaller number of bots, less dense shelving, more specialized training, lower picking costs because of smaller area. Prime now also delivers refrigerated food which probably Kiva can't do. Probably smaller warehouses are not purpose built for Kiva so maybe they don't have power, floor space, or layout to make kiva work well. This one in Manhattan is only 40k feet and has low ceilings: http://time.com/4159144/amazon-prime-warehouse-new-york-city-deliveries-christmas/ http://time.com/4159144/amazon-prime-warehouse-new-york-city...