It's common advice if you want to invest, but don't know a lot about the markets - buy what you know.
Nnyocha bụ Holy Grail nke ahịa - ị gaghị ere ihe ọ bụla na-enweghị nghọta miri emi banyere onye ga-achọ ịzụta ngwaahịa gị na-eme ma na-eme mkpebi.