Santa Letters

Hi I am currently looking for my own site to sell various products.

Main focus is selling santa letters. We always like to upsell an example of what we are looking at for upselling is like this:
https://www.santaletterdirect.co.uk/letter-from-santa/view/sld118/santaandmrsclausinthekitchen/

sample of what we are looking for is:
https://www.santaletterdirect.co.uk/letter-from-santa/all/

Users should be able to track status of order like
https://www.santaletterdirect.co.uk/finalise.aspx

From backend we need to be able to export data ideally through admin ui but i can also pull it from sql database.

payment gateway will be stripe.

We also want to be bulk create and export coupon discount codes.

Budget is open to negotiation and turnaround.

We can add the products if the customization and system is complete