Andy didn't want to rely on his parents financially. He took a part-time job to support himself. (compound sentence)

Andy didn't want to rely on his parents financially. He took a part-time job to support himself. (compound sentence)

Andy didn't want to rely on his parents financially, so he took a part- time job to support himself. / Andy took a part-time job to support himself, for he didn't want to rely on his parents financially.