Black Friday Unfinished Checkouts: Why They Spike, How to Answer

By the end of this guide you will have a plan for the carts left behind over Black Friday and Cyber Monday: why they spike, what the shoppers behind them are asking, the timing and quiet-hours rules your texts must follow, how to answer replies with a real person, and a short checklist to run before the week starts.

What do you need to know before you start?

Why carts spike over the sale week

Carts left behind are normal. Baymard Institute averages 50 studies and puts the documented average share of online carts left without an order at 70.22%¹. Over the sale week, the rate matters less than the volume. The National Retail Federation counted a record 202.9 million shoppers over the 2025 Thanksgiving weekend, with 85.7 million shopping online on Black Friday alone². More shoppers start more carts, so even an ordinary rate of unfinished checkouts leaves far more carts behind than a normal week does.

The reasons also sharpen. When Baymard asks shoppers why they left, 40% point to extra costs such as shipping, tax and fees, and 20% say delivery was too slow¹. In late November both worries are louder: a shipping fee feels worse next to a sale price, and every gift has a date.

What shoppers are asking at that moment

Most sale-week carts stall on a short list of questions, and most of them can be answered in one or two texts:

• Will it arrive in time? The shopper is buying for a date and needs a yes or a no.
• Does the code stack? They have a welcome code, a sale price and a free shipping threshold, and they cannot tell which apply together.
• Will the price drop again? They wonder whether Cyber Monday will beat Black Friday, or whether you match a lower price.
• Is it in stock in my size or color? The variant they want sold out, and they want to know about a restock or a close alternative.
• Can I return a gift? They want to know the holiday return window before they buy for someone else.

They ask on their phones. Adobe reports that 57.5% of US online sales on Cyber Monday 2025 came through a mobile device, up from 41.4% in 2020, and 61.6% on Thanksgiving Day³.

The rules your texts must follow

A text about a cart left behind is a marketing message, and the business sending it must follow the consent and timing rules. Federal rules bar telephone solicitations to residential subscribers before 8 a.m. or after 9 p.m., local time at the called party's location, and opt-out requests must be honored within a reasonable time not to exceed ten business days⁶. Some states set narrower windows. Get your own legal advice. In practice, text only shoppers who agreed to receive texts, schedule by the shopper's time zone rather than yours, and keep every stop request on the customer record so no flow sends again.

You also need your shipping cutoffs. For the 2026 holidays, the US Postal Service recommends sending by Dec. 17 for Ground Advantage and First-Class Mail, Dec. 18 for Priority Mail and Dec. 19 for Priority Mail Express, for expected delivery before December 25 in the lower 48 states⁴. Your own order cutoff is earlier, because it has to include picking and packing.

How do you recover Black Friday carts, step by step?

1. Write the answers before the week starts. Put shipping cutoffs, code rules, price-match policy and stock levels on one page the person replying can read in seconds.
2. Group stalled carts by the question behind them. Sort unfinished checkouts by what the shopper probably needs to know: arrival date, discount, price, size or stock.
3. Send one plain text at a sensible time. Name the item, ask one question and offer help. Wait long enough that the shopper is not interrupted mid-decision.
4. Keep sends inside quiet hours and consent. Send only to shoppers who agreed to texts, inside 8 a.m. to 9 p.m. in their own time zone, and honor every stop request.
5. Have a real person answer every reply. Staff the inbox for the whole weekend so every reply gets an answer while the shopper is still deciding.
6. Log what shoppers asked and what happened. Tag each conversation by topic and outcome, so the next sale starts with better product pages and better answers.

On timing, faster is not always better. In field experiments published in the Journal of Marketing, shoppers who received a cart reminder 30 minutes to one hour after leaving the cart were less likely to buy than those who got nothing, while a reminder one to three days later had a positive effect⁵. Sale weekends are short, so test a delay of a few hours against the next morning rather than a minute. A reply to a question the shopper asked is different: answer it right away.

What a first text can look like, as a composite example and not a real exchange: "Hi, this is the team at the shop. I saw the wool throw in your cart. If you are wondering whether it arrives before the 20th, I can check that for you." It names the item, offers one kind of help and invites a reply.

How do you check that it works?

Sale weeks flatter every channel, because many shoppers would have come back anyway. Measure against a holdout:

• Keep a random slice of unfinished checkouts, for example one in ten, out of every message.
• Compare order rates between the messaged group and the holdout over the same window, through Cyber Monday and a few days after.
• Count only the difference as recovered revenue, and report it for each path you ran.
• Read the tags. If most conversations were about arrival dates, put the cutoff on the product page next year.

When a real person reaches out, a reply rate of 10-15% is good and 15-25% is excellent. For recovery rate, the share of conversations that end in an order, 8-12% is good and 12-20% is excellent.

What mistakes should you avoid?

• Opening with a bigger discount. Most sale-week stalls are questions. A deeper code trains shoppers to leave carts on purpose and erodes margin you planned for.
• Sending a reply to nobody. A text that invites a question and then gets no answer for hours is worse than no text.
• Ignoring the shopper's clock. A 7 a.m. text in the shopper's time zone breaks the rules above, even if it is 10 a.m. where you are.
• Promising dates you cannot keep. Say no early when a cutoff has passed, and offer what still works, such as a gift card or a faster option.
• Losing the context. A shopper who already asked about sizing should not get the same generic reminder twice.

Who should answer the replies?

The step that decides how many of these carts come back is the reply. A shopper who writes back "will this get here by the 20th" is close to buying, and an answer from a person who can check the order, the stock and the cutoff closes the gap. A canned response that misses the question loses the sale.

VYG Conversations puts a real, professionally trained person inside a brand's SMS flows for exactly this moment. Agents learn the brand's products, policies and voice before they send a text, read the shopper's reply and answer it, and every conversation is written back to the customer profile. Brands pay only on recovered sales. For the full sale-week plan, read the Black Friday SMS marketing playbook and the Shopify BFCM checklist.

To watch a real person answer a sale-week shopper, see Conversations in action.