A network drive is a permanent home for your digital memories that should last five to seven years. Buying one high-quality drive now saves you from the headache of managing scattered files across multiple cheap cloud accounts later.
Wait for back-to-school sales when electronics retailers discount last year’s storage models. These older units are usually just as fast as the newest ones, making them the best value for your setup.
The 18-month window is a deadline, not a gift; if you have a balance left over when the period ends, you will start paying interest on the remaining amount.