From A Builder: How To Buy A House

Builders typically factor agent commissions into their pricing, so you usually won't save money by going unrepresented; you simply lose the benefit of having a professional advocate.

Builders generally offer three levels of new construction, each with different timelines and customization options: The New Construction Home Buying Process, Explained how to buy a house from a builder

It is highly recommended to bring your own real estate agent who is experienced in new construction. how to buy a house from a builder