Investing in a high-fidelity turntable and amplifier setup is about longevity. If you buy quality gear now, you won't need to replace it for a decade or more.
Audio brands usually drop new models in late winter or early spring. Wait for those inventory clearouts to grab last year’s top-tier gear for significantly less than the original $1800 sticker price.
The 18-month window is a deadline, not a gift. If you still have a balance once the 18 months are up, the interest charges will hit hard, so make sure you pay it off in full before time runs out.