To put it in perspective, if the material cost is around RM 50 to RM 100, the contractor gross profit RM 200 to RM 150. This job might take half day,
Thus if he works 1 job everyday, he will earn as much as a standard manager in a company, with running expenses borne by himself. If got assistant less some more.
You get to "taruk" (releasr some steam) him if things goes wrong.
OK lah, income rate still whithin the rat race.