What is a primary responsibility of a real estate broker according to Illinois law?

A primary responsibility of a real estate broker according to Illinois law is to ensure that all transactions are conducted in compliance with the law. This involves understanding and adhering to legal regulations, including those related to transactions, disclosures, and fair housing practices. Brokers are tasked with protecting their clients' interests while also ensuring that their practices are ethical, transparent, and within the boundaries of the law. By maintaining compliance, brokers help to foster trust in the industry and protect both buyers and sellers from potential legal issues.

The other options do not align with the core responsibilities outlined in Illinois real estate law. Creating a high advertising budget may be part of a marketing strategy, but it is not a legal obligation. Charging clients for all communications is not a common practice and could detract from the broker-client relationship. While maintaining personal relationships with clients can enhance service and trust, it is not a primary legal responsibility when it comes to the operations of a real estate transaction. The critical focus remains on adhering to legal standards and regulations to ensure smooth and lawful transactions.