Write some Software

((The GOAL is to make my offer on the top of others in website ......by changing my price depend on the several scenarios)) FACTS : 1- every item have EAN number Every item have 3 prices , Highest price and lowest price and not appear on the site (Given by me and not change) and changeable price (change depend on the scenarios and this price appear on the site and this is what I want to do and change you can check how is the top seller [login to view URL] Number/s 2- some seller have SUPERIOR his name is (......) so what ever my price they will still list on the top, in this case do not change my price what I want is: 1- If I am not on the top then make me on the top by A- matching price of other competitor (some competitor make low price so I change my price lower then they rise their price, in this case keep tracking all other competitor price to make highest profit for me so change the changeable price up and down depend on other offers) if it not work then B-reducing my price until cretin low price (Decrease the price by 0.01 to fixed price that will not get any lower of it) keep in mind SUPERIOR situation 3- if there was competitor and his offer not listed any more , then return to the original highest price (increase the price fixed price that will not get any higher of it) 4-generate text file when it is end to show me changes happened and how is the top seller now and price for each EAN 5-Update list automatically every 10 minutes and compare with other and change current under several conditions