Amazon Prime Day is here, giving Prime members exclusive access to discounts on tech, beauty products, vacuums and more during the 48-hour sale. You can also shop a handful of limited-time Lightning Deals, including some on gift cards, and take advantage of secret promotions on subscription services, credit cards and travel.

I’ve been covering shopping events like Prime Day, Black Friday and Cyber Monday for five years at NBC Select, so I know how to find deals that are actually worth…