In my experience, this data has been at no cost. Most property appraiser sites offer sales data as an excel file for download. Each property can be looked at with exterior photos, or base floor plans. It would take quite alot of dara entry to input into a program, the issue would be the accur...
I have worked on projects handling transfer of large image files across multiple vendors and being served on web for different targets (mobile, web etc.). I have also implemented cloud and DevOps solutions for high volume/scale of data and transactions. While I could tell you a list of technolo...