Online stores, payment gateways, platforms, and selling online — the fundamentals behind running a business that sells on the internet.
The basics of buying and selling online, and the main business models.
How carts work behind the scenes, and why abandonment is so common.
How online payments are processed securely behind the scenes.
How it works, and the real trade-offs versus holding inventory.
How marketplaces differ from your own store.
How businesses track stock accurately and avoid overselling.
How point-of-sale technology processes in-person transactions.
Why it happens so often, and practical ways to reduce it.