The Rate Rabbit Home Loans promo code is a unique code that can be used to reduce the closing cost fee. Rate Rabbit Home Loans will create a unique code for each institution or company. We should also mention that if anyone is interested in our promotional campaign, whether it's companies want to participate in the program, or individual clients, they should feel free to email us. Codes vary depending on the institution or company. It could consist of letters, numbers, or a combination of both.