Abstract: Some embodiments relate to systems and methods for real estate transactions. The system includes at least one database and a sales module. The sales module is configured to cause to be displayed a list of available modular homes for purchase from the at least one database. Additionally, the sales module is configured to receive at least one specification of a first modular home available for purchase from the list of available modular homes. The sales module is also configured to determine available land for purchase from the at least one database based on the at least one specification of the first modular home. The system includes a notification module configured to automatically notify a user when land becomes available that matches the at least one specification of the first modular home.