Price comparion using scrapers/crawlers

To code a simple script that fetches the prices of products from 3 websites & lists them neatly on the screen with the facility to add affiliate link in place of original product url. The script should not be a burden on my [login to view URL] choose the appropriate coding language. Looking for the script + simple website (to display the results). Those who can are requested to submit their bids via [login to view URL] details abt the project will be shared with the selected bidder.