Playbooks
Real playbooks, not fluff.
Playbooks, tricks, and lessons for Thai sellers on LINE, Facebook, and Instagram. Written by the Nava team.
The buyer says they paid, but the money isn't there
A buyer says they paid but nothing arrived: check your banking app first, then the slip's receiving account, amount, reference and time. With polite replies.
How long should you hold stock for an unpaid order?
How long to hold an item for a buyer who hasn't paid: 2 hours for live sales, 4 for everyday chat, a day for expensive items, and what to do when they pay late.
Read →
What's a duplicate slip, and how do you catch one?
A duplicate slip is a real, already-used slip sent again for a new order. How to check the reference, transfer time and receiving account, with a polite reply.
Read →
Sell in LINE chat or on Shopee? Fees compared for 2026
Selling in LINE chat vs on marketplaces like Shopee, Lazada and TikTok Shop: fees per order from official rates, who owns the buyer, and when to do both.
Read →
Buyer hasn't paid? How to follow up without losing them
A buyer ordered but hasn't paid: when to remind, three ready-to-send Thai messages, and when to release the item, without losing the buyer.
Read →
Which LINE OA plan should a shop choose? Prices for 2026
LINE OA Free, Basic and Pro compared: price, included messages, extra-message cost and what counts as a message. Chat replies are free. LINE Thailand prices.
Read →
How to check payment slips automatically: 5 ways compared
Every way to check a Thai payment slip compared — by eye, QR scan, bank balance, API, built-in checking — plus a 4-point checklist against fake and reused slips.
Read →
Buyer paid the wrong amount? What to do, with ready replies
What to do when a buyer underpays or overpays a PromptPay transfer — steps, ready-to-send Thai replies, and how to prevent wrong amounts.
Read →
How to spot a fake payment slip · 5 checks before you get scammed (2026)
5 practical ways online sellers can spot a fake payment slip · check the timestamp, account number, amount, reference number, and bank data · with the trade-offs of each.
Read →
Business vs Personal PromptPay · which one online sellers should use
The difference between business and personal PromptPay · when to switch · what has to happen first · the pros and cons from a seller's point of view.
Read →
How to take orders on LINE without losing any · a Thai seller's guide
Three levels for managing LINE orders · from LINE alone, to Google Sheets, to a back-office system · pick the one that matches your order volume.
Read →