The Diwali RTO checklist: 12 things to set before the sale starts

Every festive season plays out the same way for Indian D2C: traffic arrives, COD share climbs, ops gets stretched, and two weeks after Dhanteras the courier statements show a wall of returns. None of it is a surprise — it is the same handful of causes, amplified by volume. The fix is to set the rules in September, while nobody is busy, so they are already running when the first sale email goes out.

Why RTO spikes in a sale

• Impulse buyers who would never have ordered at full price place COD orders they don't fully mean.
• Discount hunters place the same order on two or three stores and keep whichever arrives first.
• Couriers are overloaded, so delivery windows stretch and buyers lose interest or find the item elsewhere.
• Your own team is too busy to call, confirm and chase — the manual safety net disappears exactly when it's needed.

Before the sale: rules that run themselves

• Risk-score every COD attempt. A 0–100 risk score built from network history, address quality and velocity is the only thing that scales when volume triples. Set the bands now: allow, partial advance, block.
• Turn on partial COD for the middle band. A small advance filters the maybe-orders without refusing them. See partial COD, explained for choosing the amount.
• Cap COD per phone per day. Two cash orders from one number in a day during a sale is almost always a duplicate. Same-day caps stop the third before it ships.
• Cap COD by order value. Set the ceiling above which an order must be prepaid or partially paid. Sale baskets are larger, so the ceiling matters more than usual.
• Gate the pincodes that returned parcels last year. Pull your RTO-by-pincode report and switch the worst to prepaid-only. Your own data beats any national list — your RTO problem has a postcode.
• Prepaid-only for high-return products. Fashion with size uncertainty, fragile gifting items, anything with a return rate above your average.
• Reward prepaid, visibly. An extra few percent off on UPI, shown next to the COD option, moves a meaningful share of sale orders online — and a prepaid order cannot RTO-refuse.
• Confirm every COD order on WhatsApp before dispatch. A doorstep refusal costs both legs of freight; a WhatsApp cancellation costs nothing. This is the cheapest RTO prevention there is.

During the sale: what to watch daily

• COD share versus last week — if it climbs past your comfort line, tighten the partial-COD band rather than blocking outright.
• Confirmation response rate — orders unconfirmed after 24 hours are your highest-risk parcels; hold them, don't ship them.
• NDR queue — treat every NDR as a 48-hour window to save the order, not a report to file.
• Duplicate orders by phone — merge or cancel before the second parcel leaves.

After the sale

Keep the rules on for two weeks after the last sale day — the returns from sale orders arrive then, and the buyers who ordered during the sale are still the riskiest cohort. Then run the RTO calculator with the actual numbers from the season: it tells you which of the twelve settings paid for itself, and which to make permanent.

Festive RTO is not bad luck. It is September's settings, tested in October.