Exponent offers free content on their YouTube channel that is beneficial for entry-level PMs, but may not be sufficient for senior PM roles.
The Meta course from Product Alliance provides company-specific insights, leaked interview questions, quality answers, and lifetime access, making it a valuable investment for those aiming for high-level PM roles.
Product Alliance's strategy modules offer in-depth analyses on various tech companies, providing unique insights that set candidates apart.
Recommendations include starting with basic PM books, utilizing free resources like Exponent's YouTube channel, strategically investing in courses like Product Alliance, and focusing on mock interviews for practical preparation.