If I place a 4 item order from walmart.com, they will do whatever they can to get it to me as quickly as possible... sometimes I get a $35 order in 4 different

If I place a 4 item order from walmart.com, they will do whatever they can to get it to me as quickly as possible... sometimes I get a $35 order in 4 different shipments (and the shipping was "free" because items cost the same as in-store)