A solid dual-monitor arm mount and twin high-refresh screens turn a cramped desk into a proper command center that should last you years if you buy right the first time. You want gear sturdy enough to hold the weight without sagging and panels fast enough to keep motion blur out of your workday.
August is prime time for back-to-school tech promotions, which is when retailers drop prices on displays and office gear to clear floor space. If you wait just a bit for new fall lineups to hit, last year's monitor models drop in price even more while keeping almost identical performance.
That intro window is a strict deadline, not free money. If you still carry a balance when the 18 months are up, standard interest kicks in on what you owe.