There are a number of factors to consider when determining whether or not selling construction materials is profitable. The most important factor is the cost of the materials. If the cost of the materials is high, then it is likely that selling construction materials will be less profitable. Additionally, competition in the market for construction materials can also impact profitability. If there are many competitors selling similar products, then profits may be lower. Finally, demand for construction materials can fluctuate, and this can impact profitability as well. For example, if demand for construction materials decreases, then profits will likely decrease as well.