Maria Diaz/ZDNET Amazon Prime Day returns this June, but you may not have to wait to snag an early deal. You may be eligible for an Amazon Prime membership at a discount without even realizing.  Also:   Amazon confirmed Prime Day 2026 is coming earlier. Here's everything to know now Amazon Prime  typically costs $139 per year or $15 per month. Paying for a year-long subscription brings the monthly cost to around $11. But there are better ways to save far more, if you're eligible.  Here are two ways you might be able to snag savings on Prime, and the qualifications for each.  Join Amazon Prime 1. Prime for Young Adults  Amazon's Prime for Young Adults plan gets college students and other young people aged 18-24 a big break on the membership. This revamped program was unveiled in 2025 and replaces the previous Prime Student plan.  With the Prime For Young Adults plan, a Prime Membership costs $7.49 per month or $69 per year -- saving you 50% off the regular price.…