Better beans do not matter if your grind is uneven. A professional grinder changes the texture of your morning and stops the waste of dialing in shots that never taste right. Once you have a consistent grind, your home kitchen feels like a real cafe and the work of making a drink takes half the time.
Manufacturer trade-in events usually happen in late spring or early fall when new models launch. This is the cheapest time to buy. Reach out to at least three specialized coffee retailers during these windows to see who gives the best credit for your old gear.
The 0% interest period is a tool, not a gift. If you still have a balance after the 15 months are up, the standard variable APR kicks in and adds interest to whatever is left on the card.