Online store

Hi I want to build a online store to sell digital goods (word, excel and powerpoint files). Specification: 1. Something similar to shofiy and bigcommerce.(keep it simple) 2. Transactions will be done on currency selected for country (use auto currency converter based on geolocation) 3. Payment gateways: Instamojo/rajorpay for india, paypal for international payment 4. For more than 5 items in cart, just show Cash on delviery or does not allow it showing error message (please conatct xxx@[login to view URL] for more info) 5. Use dropbox/onedrive to store files 6. there are a lot of prebuilt online store app such as prestashop, opencart, zencart,etc. Also, a lost of video of marking is avaialiable on YOutube. You can use them 7. After completeing the payment, the file should get delivered to its email as attachement and in zip file (if possible) Milestone for payment: 1. Single milestone for complete project (No partial payment). 2. Please share working video on store using local host as a proof for task completetion Selection certeria: 1. Persons who have built online store will be given preference (pls share a video of working app for reference) Requirements: Please share list of requirement to be provided by me to complete the task before starting project