A computerized mortgage loan system and process to enable borrowers to design mortgage loans that meet their particular individual needs and financial goals, and that can be adapted to fit changing needs and goals is provided. The loan requirements of the borrower are obtained and applied to a set of rules for combining loan product features. One or more loan recommendations are determined and presented to the borrower. The loan recommendations include customized combinations of loan features based on the loan requirements of the borrower and the rules.