1. Floor drain Floor drain is an indispensable part of building decoration, and its function is to discharge indoor wastewater and sundries. When buying a floor drain in a physical store, the price is higher because of the additional costs such as rent and labor. Relatively speaking, it is more favorable to buy a floor drain online, because online stores do not need to bear these extra costs. In addition, choosing a big brand with brand endorsement and low price floor drain, such as Jiumu, can ensure the quality of goods and after-sales service. At the same time, online shopping is also convenient and fast, which can save time and energy. Second, latex paint wall painting is an important part in the process of home improvement, which can not only beautify the indoor environment, but also protect the wall. However, it is expensive to find a contractor to package materials, so you can save money by buying materials yourself and then looking for a master to paint. When choosing latex paint, imported brands are relatively expensive, but the quality and use effect are better. In some third-and fourth-tier cities, because there are no physical stores, you can only buy imported brands through online shopping. In addition, online shopping also provides more choices. You can compare different brands, specifications and prices and make more informed choices. However, it should be noted that there is color difference in online shopping. Third, glass glue, the United States seam glass glue is a small piece of material, usually do not need to buy in large quantities to meet the demand, offline is not guaranteed. Online shopping can make consumers get the information they need more conveniently and quickly, avoiding the trouble of looking for it in physical stores. It is suggested that online shopping for glass glue should consider these points: whether it is mildew-proof, environmentally friendly, stain-resistant and durable. It costs thousands of dollars to find someone to sew the whole house. In fact, the price of the product itself is not high, but the labor cost is high. If you want to save money, you might as well buy online sewing agents and tools, which are easy to operate and have high participation. Be sure to communicate with the seller in advance about tile specifications, gap size and square number, and determine how much caulking agent to buy. Switch socket Switch socket is an indispensable part of household appliances and plays an important role in our life. When offline stores buy switch sockets, they are often troubled by merchants' promotion and price opacity. Buying switch sockets online can make it easier to compare products of different brands and styles, and the price is relatively transparent, thus avoiding the risk of being cheated by merchants. In addition, buying switch sockets online can enjoy more benefits and after-sales service guarantee. When choosing brands, Bull, Schneider, etc. Are very well-known brands, and have a broad user base and good reputation in the switch socket market. The products of these brands have reliable quality, complete functions and exquisite design, which can meet the needs of different users. 5. Box-type electrical appliances Box-type electrical appliances are a kind of power accessories commonly used in home decoration. It is used to install electrical equipment such as wires and sockets. When consumers buy electric tapes in physical stores, they often cannot guarantee whether the quality and quantity of the products meet the requirements. The choice of online official stores can better grasp the quality and quantity information of goods. When consumers buy electric tapes online, they can know the real situation of the goods by checking the evaluation of official stores and customer feedback, and get more information and suggestions through online consultation or customer service telephone. In addition, the after-sales service provided by official stores is more perfect, which can solve the problems encountered by consumers. Internet vendors usually offer more competitive prices, in addition, they can also enjoy some rewards and preferential activities, such as full reduction and discount coupons. These building materials can be purchased online, which can save a lot of money!