You want a living room setup that actually makes movie night feel like a theater and lasts for the next five years instead of acting up by next winter. Getting a 4K streaming stick and a soundbar together fixes both a fuzzy picture and tinny TV speakers in one go.
Aim for Amazon Prime Day or Black Friday when these bundles drop to about $320. If you are shopping right when a new model launches, look at last year's version instead since it usually gets steep discounts while doing almost the exact same job.
The 0% intro APR period is a deadline, not free money. If you still have a balance left when those 15 months end, the interest kicks in on the original amount from day one.