Case studies, proven playbooks, and technical deep-dives on Google Merchant Center compliance.https://gmcguardian.com/en-ushttps://gmcguardian.com/en/blog/ai-feed-rewrite-rejected/https://gmcguardian.com/en/blog/ai-feed-rewrite-rejected/GPT-rewritten product titles and descriptions fail GMC review at predictable rates. Here's the structure of the failure modes - and the engineering discipline needed to avoid them.Sun, 26 Apr 2026 00:00:00 GMTauto-fixai-feedproduct-rewritemerchant-apifeed-qualityGMC Guardian Teamhttps://gmcguardian.com/en/blog/recovery-cost-2026/https://gmcguardian.com/en/blog/recovery-cost-2026/Real numbers from reinstatement casework. The revenue you lose per day, the cool-down ladder math, and the hidden costs most merchants miss when they suspend the cost discussion.Sun, 26 Apr 2026 00:00:00 GMTrecoverysuspension-costreinstatement2026GMC Guardian Teamhttps://gmcguardian.com/en/blog/shopify-markets-price-parity-bugs/https://gmcguardian.com/en/blog/shopify-markets-price-parity-bugs/Shopify Markets is the #1 source of GMC misrepresentation triggers in 2026. Here's every multi-currency edge case that produces a feed/PDP mismatch - and the fixes.Sun, 26 Apr 2026 00:00:00 GMTpreventionshopify-marketsprice-paritymulti-currencymisrepresentationGMC Guardian Team