I bought a set of commercial housing in the walls cracks found in great fear of housing security, housing security experts do, that costs are high, inform costs?

• 问：我买了一套商品房，在入住时发现承重墙裂缝很大，担心房屋的安全问题，想做房屋安全鉴定，听说费用很高，能否告知费用是多少？