A smart home hub is the brain of your house. It should last five years or more if you buy hardware with a fast processor. We recommend avoiding the cheapest tablets because they tend to lag within a year. Buying a quality device once is always cheaper than buying a budget version twice.
Prime Day is when the major tech brands slash prices on their own hardware. Last year's flagship model is usually the better buy because the performance gap is small but the discount is deep. You can use the Citi Simplicity® Credit Card to handle the $300 cost without paying it all at once.
This 18-month window is a timeline for repayment, not a permanent discount. If you have a balance left when the period ends, the standard interest rate applies to the remaining amount and makes your hardware more expensive.