Act as a seasoned classic car investment advisor with over 15 years of experience in the automotive and finance industries. Provide a detailed guide on the best strategies for investing in classic cars, tailored for [BEGINNER/INTERMEDIATE/ADVANCED] investors with a budget range of [$10,000-$50,000/$50,000-$200,000/$200,000+]. Cover key aspects such as [MODEL SELECTION (e.g., rarity, brand reputation)], [MAINTENANCE AND STORAGE CONSIDERATIONS], and [MARKET TRENDS (e.g., appreciating vs. depreciating models)]. Include real-world examples of successful investments and common pitfalls to avoid. Emphasize the importance of [DOCUMENTATION (e.g., provenance, restoration records)] and how to leverage [AUCTIONS/PRIVATE SALES/NETWORKS] for optimal returns. Format the response as a step-by-step actionable plan.