How do you calculate the price of an item after coupon with Subscribe & Save?

Screen Shot 2016-01-31 at 9.39.21 AMHow do you calculate the price of an item after coupon with Subscribe & Save?

Often times we see percentage off coupons available on Amazon. You just click on the link for the coupon and it automatically applies to your order at check-out.

But how does the value of the coupon apply to a Subscribe & Save item? That’s where things get a little trickier.

First, let’s review a few important basics about Subscribe & Save:

  • All subscriptions orders from Amazon get free shipping (even if you don’t have a Prime membership)
  • If you order something via Subscribe & Save, you automatically save an additional 5% off the listed price.
  • If you have five or more subscriptions in a month, you save 15% on all of them. That’s why I recommend that you try to hit at least 5 subscriptions. I even write up a monthly Under $3 subscription list to help you. You will end up saving more when you hit 15% off than the cost of the $3 (or less) item you buy.
  • When you place an order, the price gets “locked” in at that rate for the first delivery only. Afterward, the  price on subscriptions changes month to month, so you always need to check your subscriptions and make sure you are still getting the best price. If you’re not, feel free to cancel your subscription. There is no penalty.
  • The coupons that you click apply to your first delivery only.

Okay, now let’s dive into how these coupons work. 

Let’s say you there’s a 35% off coupon on something, as in this example from Finish dishwasher detergent.

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You calculate that 35% off of the regular, non-subscription price. So in this example, you would calculate what 35% off $13.49 would be.

$13.49 * .35 = $4.72

Then you subtract the value of the coupon (in this case, $4.72) from the subscription price.

If you have fewer than 5 subscriptions, that would be

$12.82 – $4.72 = $8.10

But what if you plan to eventually hit 5 subscriptions this month? How do you calculate what your adjusted final price will be? (Amazon will automatically adjust your totals once you hit five active subscriptions.)

The first thing you need to know is that the value of the coupon doesn’t change – it’s always 35% off the regular price (so $4.72).

Next calculate what you’ll pay after the 15% discount kicks in. Take the original price and multiple it by 85% to get your after discount price.

$13.49 *.85 = $11.47

Then take that amount and subtract the value of the coupon from it.

$11.47 – $4.72 = $6.75

And there you have: $6.75 is your final price when you have 5 or more subscriptions.

What if it’s a Dollar-Off coupon and not a Percentage-Off?

If the coupon is a dollar-off value, rather than a percentage off, it’s actually much simpler to calculate.

For example, there is a $5 off coupon right now on Olay Regenerist.

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With fewer than 5 subscriptions, you will just be saving 5% with your subscriptions. So here’s what your calculation will look like.

$17.49 * .95 = $16.62 – $5 = $11.62

With 5 or more subscriptions, you will be saving an additional 15%, so here’s your calculation.

$17.49 * .85 = $14.87 – $5 – $9.87

Make sense?

I hope you followed all this, but if you have any questions, just leave them in the comments — I’m happy to help!

Please Note: I wrote this post on January 31st and the examples I used were current at the time of this post. However, Amazon prices and coupon availability change all the time, so please consider these scenarios as examples, not as specific deals you can score. These coupons may — or may not — be available when you read this post. My point isn’t to share a specific good deal, but rather to let you know how the process of calculating prices after coupons works at Amazon.

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