Automated data scraping from websites into Excel --2

I need to scrap and parse some data from webpage to excel and daily have the value parsed up to date I have a file as : A Link B Price C Pcs Available and if <10(red) 11 to 15 (yellow) , 16 to 20 (green) I need to open the link on "A" copy the price on the page and Paste on "B" then copy the value on page <span id="JS_topStoreCount"></span> and paste on "C" if the number return below 10 cell color red if 11 to 15 color Yellow and 16 to 20 color green If the <span id="JS_topStoreCount"></span> doesn't exist on the page has to return the value of "0" as well as if the purchase button <div class="buyBtn"> on the page doesn't exist has to return value "0" MUST be compatible Windows/Mac machine and has to repeat the same to all the rows and daily update. If you willing to offer only the Windows solution please avoid beat the project as I already have one Please don't beat if you have no knowledge with MAC or if you never done similar project before .