Cloning your site is just another degree in secure your wordpress website which may be very useful. Cloning simply means that you have backed up your site to a completely different place, (offline, as in a folder, so as to not have SEO issues ) where you can get it in a moment's notice if necessary.
If you're among the ones, I might find it somewhat more difficult to crack your password. But if you're More hints among those responsive ones, I might just get you.
Keep control of your online assets - Nothing is worse than getting your livelihood in someone else's hands. Why take chances with something as important as your website?
It is really sexy to fan the flames of fear. That is what bloggers and journalists and politicians and public figures do. It's great for readership and it brings money into the war chests. Balderdash.
Of course you can install more plugins to make your shop like automatic plugin or share buttons. That's all. Your shop is up and running!