5 WordPress Tasks for "Hbro S" ONLY!

This project is for Freelancer "Hbro S" ONLY! I need some work done on my apparel WordPress store. See detailed scope of work uploaded with this project. Before you start the 5 tasks below, please check footer links on website. For some reason ONLY the homepage footer links are updated. ALL THE OTHER PAGES ARE SHOWING THE OLD DEFAULT FOOTER LINKS! I have a budget of $15 to do the 5 simple tasks below: 1. REMOVE “ADD TO CART” AND REPLACE WITH “BUY NOW” BUTTONS ON PRODUCT PAGES 2. REMOVE “ADD TO CART” & REPLACE WITH “BUY NOW” BUTTONS ON CAPS & MUGS PAGES 3. ADD CORRECT SHIPPING PRICES WHEN CUSTOMER BUYS MULTIPLE ITEMS 4. MAKE HEADER BANNER ON HOMEPAGE MOBILE RESPONSIVE 5. DO TEST PURCHASE VIA PAYPAL SANDBOX Once again, please take a look at attache detailed scope of work. Please bid $15 ONLY for this project.