Next next iteration maybe if no results show a similar one that's cached for you so there's no unavailable requests for a valid zip? And/or storing stale data w

Next next iteration maybe if no results show a similar one that's cached for you so there's no unavailable requests for a valid zip? And/or storing stale data with a last accessed date range. I wish you the best of luck getting the blessing of MLS, I had an idea for something similar and couldn't get anything useful. Also I think Zillow is litigious as part of their agreement to have access to the data (and proprietary reasons obviously)