Data aggregator for existing website

Avg Bid (USD)
Project Budget (USD)
$30 - $300K

Project Description:
I would like to expand my current database of classifieds with data from other sites in same category, there will be 2-3 website sources from where we would be getting information and inserting in our database. Links to respective owners of information would be posted. We need to be able to extract data from markup we grab and organize it. Mechanisms would need to be made in case out IPs get blocked to overcome this, and possibly some time restraints as to when we will be grabbing data and how often, there would be apron 1000x2-3 classifieds that need to be grabbed each day.

Skills required:
MySQL, PHP, Software Architecture
About the employer:
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