I review your requirement and great experience to implement money saved option in the product page as per requirement.
Relevant Skills and Experience
I have 5 years of experience and great skill in html,shopify, css and jquery Providing basic Setup and design website from scratch, as well as customise existing theme and functionality upgrades.
Proposed Milestones
$30 USD - Create milestone (Escrow) to start working and release after project completion
if any question let me know we can take discuss further chat room looking forward for your reply.