298697 ebay collection of data

I would like to collect data on items sold on ebay auctions. For example if i want to collect data on cnc machines. this script would collect the data into a data base. that would show item number, date, price sold, location, username, title description, then would like a templete asking me for the ability to seach for key words in the html that would find condition like good great shape ect Then on my website i could search thru the data collected. It has taken me hours to keep looking and collecting this data. I have heard that doing this type of data collection on ebay is impossable to set up because it would reconize you as a data collection and shut you down so i need this ability to look as an indivual user so i can collect this data. Just so you know this is for my personal collection on data of items sold on ebay. I will tell you the collection after we know this can be done. This is not for anything under the table. If this is feasable I would like the ability to add other items. At this time i wouldn't like others to view the information