scrap keywords from sites like amazon, ebay, ezine and dogpile ect..
put them into a data grid.
save them as cvs.
if you are good at scraping this job is for you.
Rent A Coder requirements notice: As originally posted, this bid request does not have complete details. Should a dispute arise and this project go into arbitration "as is", the contract's vagueness might cause it to be interpreted against you, even though you were acting in good-faith. So for your protection, if you are interested in this project, please work-out and document the requirements onsite.