Putin does not care much about sanctions. He has been stockpiling, in hidden locations, wealth and supplies for Russia, and more importantly for himself and his supporters, in preparation for just this sort of situation.
What sort of society does a kleptocracy create? In a world powered by technology and innovation, how can a country develop where people have no incentive to create? Why produce when it can always be taken away? And, what sort of society is it where an entire class is devoted to stealing whatever isn't already owned by some other kleptocrat?