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1. Chrome Extensions - Download an extension such as GoGuru.io to be able to test multiple coupon codes at once. Stop manually entering coupon codes, Guru will automically pull in all the coupon codes and test them for you.
2. More Promo Codes - Do a quick google search for Astro coupon codes to secure a valid coupon code for additional savings up to 20% off. Promo codes usually offer the easiest all around savings.
3. Student & Military Discounts- Astro often offers some type of savings for students and military professionals, either email their customer service department or search for the “Education” section.
4. Credit Card Rewards - Check for the “rewards” credit card offered by Astro, where you’ll gain instant access to some of the best exclusive promo codes only for credit card holders.
5. Gift Card Stores - Purchase a discounted gift card from such sites as Carpool.com, where you can score a valid gift card at a fraction of its value. Then take the gift over to Astro to score additional savings of up to 20%.