Got $1,000 to invest? These 5 Warren Buffett-approved stocks could be smart long-term plays for your portfolio.

Amazon has multiple competitive moats and paths to growth. Berkshire Hathaway remains an excellent long-term pick thanks to its diversified holdings. BYD Company is poised for tremendous growth in the electric vehicle and robotaxi markets.

Warren Buffett, arguably the greatest investor of all time, is renowned for his long-term investment approach. He's been quoted as saying that his favorite holding period is forever. For those looking to apply Buffett's wisdom -- which might not be such a bad idea considering his track record -- it's helpful to consider investing in the stocks he loves.