for what it's worth
US /fɔːr wʌt ɪts wɜːrθ/
UK /fɔːr wʌt ɪts wɜːrθ/

1.
por lo que valga, en cualquier caso
used to emphasize that what you are about to say is only your opinion or suggestion and may not be very important or useful
:
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For what it's worth, I think you did a great job.
Por lo que valga, creo que hiciste un gran trabajo.
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I'm not sure if this helps, but for what it's worth, here's my advice.
No estoy seguro si esto ayuda, pero por lo que valga, aquí está mi consejo.