1.利用你对家装材料的成色、品牌、价格不了解,采取以劣代优、以低价报高价、以次品报正品的方法来赚取各种材料费中间的差价。2.增报隐蔽工程中电线、上下水管等的米数,增报地砖、墙砖、各种板材的平方米数,以达到多收材料费和工费的目的。3.设计师不考虑你的实际需要,为自己能从你这一单生意中拿到更多的提成,故意增加装修项目,如在原本不需要隔断的地方设计出一个隔断,不必吊顶的地方为你设计出吊顶等,以便有理由将装修报价大幅度提高。4.为做出比其他装修公司低的预算,装修公司报价时有意低报,待工程开始后再以偷工减料、材料以次充好等 1. Use your home improvement materials quality, brand, price do not understand, to take the inferior superior, low price reported high price, quality of inferior products to earn a variety of materials in the middle of the difference. 2. Report hidden projects in the wire, up and down the number of meters, etc., increased floor tiles, wall tiles, a few square meters of various plates in order to achieve the purpose of receiving more materials and work costs. 3. Designers do not consider your actual needs, for you can get more commission from your single business, deliberately increase the renovation project, such as the original do not need to cut off the place designed a partition, do not have to ceiling place For your design ceiling, etc., in order to justify the decoration quote substantially increased. 4. In order to make a lower budget than other decoration companies, intentionally underestimate the quotations of decoration companies, and then to cut corners after the start of the project, shoddy materials, etc.