This is really great advice and there really is nothing much that can be added to it. I like at the end how you added that people should never store a significant amount of coins in exchanges because a lot of people make this mistake using exchanges as wallets
Another important thing is you need to secure your PC or desktop with a good antivirus software not with a pirated version because these hackers always come with new viruses so if you have an original antivirus software you can get updates directly and your PC will be updated for the new virus attacts. Many people neglect this part and that's why some of the viruses can enter into your PC.