Questions: Guy's Behavior

A few weeks ago while I was casually on IG, I commented on a post, which had many likes, many people wrote to me privately, and sent me requests, some of which I accepted, I have a business and these opportunities are good to promote my products, long story short a man wrote to me, he seemed very respectful, gentleman and decent, he told me how he liked my comment and so on, I told him about my business and he seemed interested in my products, we talked about many topics such as current society , politics, and so on, but then he told me that he wanted me to sell him my shoes (heels), he told me that he liked my elegance a lot. I was very direct from the beginning and told him about my husband, and he told me that my husband is a very lucky man, but I didn't like something about him, he told me that he wanted me to take advantage of him monetarily, and honestly I felt uncomfortable and blocked him, yesterday I received a call from a European country, I immediately thought of him, how did he got my number? I was terrified, it gives me Joe Goldberg vibes, is this normal? is this guy an obsessed person?