If you want to find the US dollar value of your Mexico real estate investment: Text "dollar to peso" to GOOGLE or 466453 and within seconds you will receive a text with the latest exchange rate! A similar currency converter is available at Yahoo! Finance, however by using the Google mobile search function you will be able to check conversion rates wherever you are, as long as you have your cell and a wireless signal. This feature is currently free to use except for your cell carrier's fees for sending and receiving standard text messages.