Data Entry capturer

The scope of work is to look for someone who can do updates of products from excel to our online store. There are abt 500 products which need to be checked & updated. Content will be provided from the excel sheet. This will be on an ongoing basis atleast twice a month.
The applicant will at times need to source some pics from the web.

I will need to the cost and the turnaround time to do the updates.