From the website:
Domain Home Price Guide® - 2 for the price of 1 offer
When it comes to buying and selling property, what should you offer? What should you accept? What are the recent sales in your street or suburb?
For a limited time only, purchase either a Property Address, Street or Postcode Report or a 3-month Online Subscription, and you'll receive one free report of equal or lesser value for each report purchased. This is an exclusive offer, so don't miss your chance.
Offer ends 30 June 2008.
*Terms and Conditions
You will receive one free product of equal or lesser value for each product purchased. The promotional free offer, applies to the lowest priced qualifying item(s). Multiple purchases allowed. Products must be purchased in a single transaction. Valid for all Home Price Guide products, except SMS products, reports purchased for WA, and Commercial Price Guide. Home Price Guide 2 for 1 special offer may not be combined with any other discounts