618 Shopping Guide 2026: Price Protection Tips

Every year before 618, I research the rules in advance. Not for flash sales, but to figure out—what new tricks are there this year?

Honestly, 618 rules get more complex every year. Pre-sales, deposit expansion, discounts, category coupons, store coupons, cross-store discounts… by the end I’m wondering if I’m doing a mathematical modeling problem.

But after carefully studying this year’s rules, I found several genuine deals worth pursuing. Let me share.

First, changes to price protection rules.

The most frustrating thing about previous 618s was: items bought during pre-sale might be cheaper after the event ended. You want to return and repurchase, but find you’ve passed the 7-day no-reason return window.

This year’s price protection has an important adjustment: from pre-sale start to 7 days after 618 ends, everything is covered by price protection. Meaning if your pre-sale item drops in price on 618 day, you can apply for a price difference refund.

But there’s a catch: it must be the same link, same SKU. Some merchants play “link switching” games—pre-sale uses one link, official sale uses another, so it’s not covered.

My workaround: screenshot the pre-sale product page, including product name, price, SKU info. If you later find a price drop but the link changed, you have evidence to argue with customer service. Not guaranteed to work, but at least you have proof.

Second, coupon stacking techniques.

This year it’s still “cross-store discount + category coupon + store coupon + red packets”—four layers stackable. But stacking has an order: store coupon first, then category coupon, then cross-store discount, finally red packets.

What does this mean? You want to hit the cross-store discount threshold to maximize savings. For example, with “300 minus 50,” if you buy 280 worth, you only get store and category coupons, missing the cross-store discount—essentially losing money.

My approach: add items to cart in advance and calculate the total. If you’re close to a threshold, add some small items like daily necessities or snacks to reach it, enjoy the discount, then return what you don’t need.

Third, pre-sale vs spot sale—which is better?

Generally, pre-sale prices are indeed cheaper than spot sales, especially for big brands. But the pre-sale catch is: deposits are non-refundable. If you pay a deposit then don’t want the item, you lose the deposit.

This year’s rule: deposits can be refunded before final payment, but once final payment is made, deposits can’t be refunded separately. This is friendlier than previous years.

My advice: for items you’re unsure about, don’t pay deposits. Wait for the spot sale and check reviews and prices first. For items you genuinely want with transparent pricing, pre-sale is fine.

Fourth, about livestreams.

Now the 618 battlefield has shifted to livestreams. But livestream tricks abound: limited flash sales you can’t get, exclusive coupons with high thresholds, gifts worth less than the main product…

I generally don’t camp in livestreams—too time-consuming. But if there’s something I really want with a livestream deal, I’ll add it to cart in advance, enter 5 minutes before the event starts, place the order directly, and leave without getting caught up in the host’s “only X items left” hype.

Fifth, most important: don’t buy things you don’t need just to hit thresholds.

This is basic but also the easiest mistake. Buying a bunch of useless stuff to hit a discount threshold, ending up not saving money and cluttering your home.

My principle: only buy planned items. Discounts are icing on the cake, not a reason to shop.

618 is essentially psychological warfare—platforms and merchants are all trying to make you spend more. Stay rational to actually get the deals.