1) The document discusses growing the income of an Amazon affiliate review site from $300-400 per month to over $50,000 per year with minimal investments.
2) Key strategies included expanding the site's semantic core, increasing quality content, optimizing the site speed and structure, focusing on internal and external links, and improving conversion rates through on-site experiments.
3) With more content, links, and optimizations, traffic and income increased substantially, proving that with consistent work, an "aged" domain can be revived to generate significant affiliate revenue.