Persistent Schema Markup Validation Warnings Affecting Rich Snippet Eligibility Post-Update

Context: We're aggressively optimizing our e-commerce product pages for enhanced SERP visibility and CTR, specifically targeting rich snippets like product ratings and pricing. We've implemented extensive JSON-LD Schema Markup for Product, Review, and Offer types.

Problem: Despite passing initial Google Rich Results Test, we're encountering intermittent validation warnings in Google Search Console related to nested properties and type conflicts, particularly when combining multiple review sources or conditional offers. This seems to prevent consistent rich snippet display for certain high-value SKUs.

Technical Snippet (Illustrative Error):

{ "@context": "http://schema.org", "@type": "Product", "name": "Advanced Widget Pro", "offers": { "@type": "Offer", "priceCurrency": "USD", "price": "199.99", "availability": "http://schema.org/InStock" }, "review": { "@type": "Review", "reviewRating": { "@type": "Rating", "ratingValue": "4.5", "bestRating": "5" }, "author": { "@type": "Person", "name": "Jane Doe" } }, // Issue: Attempting to nest another Review type directly "review": { // Duplicate property, causes issues "@type": "AggregateRating", "ratingValue": "4.6", "reviewCount": "120" } }

Specific Question: How do expert practitioners handle complex Schema Markup scenarios with multiple, potentially conflicting data points (e.g., individual reviews vs. aggregate ratings, multiple offers) to ensure robust validation and consistent rich snippet eligibility without triggering warnings or errors? Are there specific JSON-LD patterns or hierarchical structures that are more resilient?

Closing: Eagerly awaiting insights from those who've navigated similar advanced Schema Markup challenges.