Website changes using BigCommerce and creating home page inside Big Commerce

General information for the website: Need home page created inside of Big commerce instead of externally linked Kind of development: Customization of existing website Description of requirements/features: Must know how to easily navigate inside of BigCommerce, templates, web pages and know how to find linked content inside of BigCommerce or how to identify where the links lead. Extra notes: Must be able to complete the project by June 21 2017 in the evening. We need a 24 hour turnaround time. Project should cost no more than $200.00 USD, We have other changes that are simpler. Most complex is the home page.