WhatSales

Ecommerce profitability insights

Guides and updates on ecommerce profitability, multichannel selling and running a leaner operation.

eBay postage now varies by ZIP and Amazon reshuffles ASIN fees

Weekly Roundup

eBay postage now varies by ZIP and Amazon reshuffles ASIN fees

eBay's USPS Ground Advantage now prices by destination, Amazon moves some ASINs to new fee categories on 31 October, plus Shopify, Walmart and TikTok Shop.

19 October 2026

eBay hides wireless listings without an FCC ID from 13 October

Weekly Roundup

eBay hides wireless listings without an FCC ID from 13 October

eBay's FCC ID rule hits US wireless listings on 13 October, Amazon's FBA peak surcharge starts on the 15th, and TikTok Shop regrades every US shop.

12 October 2026

Prime Big Deal Days hits as eBay raises currency conversion fees

Weekly Roundup

Prime Big Deal Days hits as eBay raises currency conversion fees

Amazon and Walmart run rival sales this week, Amazon's peak FBA surcharge starts 15 October, and eBay raises currency conversion fees in eight markets.

5 October 2026

Amazon FBA peak storage triples and Prime Big Deal Days lands

Weekly Roundup

Amazon FBA peak storage triples and Prime Big Deal Days lands

Amazon's peak FBA storage rates start 1 October, Amazon Business sets a 90% delivery bar, Prime Big Deal Days hits 6-7 October, plus eBay, Etsy and Walmart.

28 September 2026

USPS rates rise in eBay Labels as Amazon peak fees kick in

Weekly Roundup

USPS rates rise in eBay Labels as Amazon peak fees kick in

USPS rates rose in eBay Labels with a day's notice, FBA storage triples from 1 October, peak surcharge returns on 15 October, plus Prime Big Deal Days.

21 September 2026

Amazon ads land in ChatGPT and FBA stock deadline hits 16 Sept

Weekly Roundup

Amazon ads land in ChatGPT and FBA stock deadline hits 16 Sept

Amazon Ads plugs into ChatGPT, FBA stock for Prime Big Deal Days must land by 16 September, and eBay sellers fight an AI listing tool they cannot turn off.

14 September 2026

Amazon's $1m insurance rule and the 8 September deal cutoff

Weekly Roundup

Amazon's $1m insurance rule and the 8 September deal cutoff

Amazon now wants $1m liability cover in safety-sensitive categories from 2 November, deal submissions close 8 September, and eBay's update stays quiet.

7 September 2026

Amazon opens paid bidding for Sub Same Day as Q4 deadlines land

Weekly Roundup

Amazon opens paid bidding for Sub Same Day as Q4 deadlines land

Amazon opens paid bidding for Sub Same Day placement, two Q4 deal deadlines land, Walmart access keys expire, and US online sales hit 17.1% of retail.

1 September 2026

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