We want these tools to last your entire college run, not just a semester. When you buy a solid tablet and good headphones, you are paying for quiet study hours and a screen that won't die during finals. Don't chase the absolute newest release that dropped last week; last year's model is usually ninety percent as good and gets deeply discounted when the new ones land.
Timing this purchase with summer and fall sales saves you cash upfront. If we use the right card to spread the cost, you can split that $800 total into small monthly chunks and avoid paying extra for borrowing.
Just remember that 18 months is a hard deadline, not free money. If you still have a balance left when the intro period ends, the standard variable interest rate will kick in on whatever you still owe.