Money could be a secondary matter, his country has vast natural resources and land space that the west needs in respect to his resources. The average Russian is still very much pro mother Russia and is used to very harsh conditions to both preserve and protect it.
Putin was 'elected' by people who wanted a strong man heading the country after the disasters of Yeltsin and Chernyenko to name but two, even Gorbachov came up against the hard-liners and nearly paid for it with his life.