ThebusinessownedbyXiaoXinghasthefollowingadvantages:1.Itiseasilysetupanddismissed.2.Itneedsrelativelylowstartingcapital.3.XiaoXingmanagesthebusinessbyhimselfandgetsalongwellwithhisemployees.4.XiaoXingenjoysalltheprofitsandisrelativelyactive.Whatisthisbusiness?