If he is still in the P.I. it may be a good idea or a bad idea.
I used to live near Manilla.
Consider his location similar to urban Detroit.
Good and bad neighborhoods are blocks apart.
One block may be a secure community, the next block may be a galvanized tin squatters camp.
Police and crime issues may prevent this from being a fruitful venture depending on your location and willingness to fight for it or pay the "comfort tax".