it's hard to say, if he tells you that there is a lot of money to earn, it's basically pyramid selling. As far as I know, the proportion of labor in decoration is very high now, and the proportion of material money is not as high as that of labor cost. You can calculate it. If you can decorate yourself, it's ok to earn labor and add a little material money. If you only pay, the profit will be good at last, and the risk will be greater than this.