Download a website and parse the html code and put the result into a table. This table can be saved as CSV file (can be opened in Excel for example). You can create a pascal script which can download websites, parses the table entries.
Xilisoft Video Converter Ultimate 7
Discount: 30
Original price: 60 USD
After discount: 30 USD
Copoun code: 0
Xilisoft Photo Slideshow Maker
Discount: 50
Original price: 40 USD
After discount: -10 USD
Copoun code: 0
Xilisoft iPad Magic
Discount: 30
Original price: 46 USD
After discount: 16 USD
Copoun code: 0