5 years is along time to wait for permenant residency, rules could change.
and wether this is legal, have you checked with IND ? if it is Illegal, then obtaining a visa by fraud you face a very long ban for the uk, Ignorance of the law is not a defence..
i was thinking of doing it myself, getting a lithuanian passport, but thought it might look dodgy
but wish you well, better you having the money than the gov
