Journal
Notes for a shop you host yourself.
Three pieces on the server, the invoice, and the way India pays. They link back to the product and out to the places the rules actually live.

Why an Indian shop should own its online store
A self-hosted store keeps the catalog, orders, and customer list on a server you control. What that changes, and what you still pay for.

GST invoices on a store you host
A GSTIN and a tax rate print a tax invoice. Without them, the page is a bill of supply. What each one shows, and where the rules live.

UPI, cash on delivery, and the gateways shops use
UPI, Razorpay, Cashfree, cash on delivery, and bank transfer on one checkout. Card numbers stay with the gateway, not in the store.