No person engaged in the business of financing the purchase of real or personal property and no trustee, director, officer, agent or other employee of any such person shall require, as a condition to financing the purchase of such property or to loaning money upon the security of a mortgage thereon, or, as a condition for the renewal or extension of any such loan or mortgage or for the performance of any other act in connection therewith, that the person for whom such purchase is to be financed or to whom the money is to be loaned or for whom such extension, renewal or other act is to be granted or performed, purchase or place fire, property damage, theft, collision or personal injury insurance which is required to be maintained by him on the mortgaged property, from or through any particular insurance agent or agents, broker or brokers, or insurer or insurers.