I wanted to add to your comment. When I've looked to volunteer in the past I've seen places that ask for a 6+ month commitment because bringing someone up to s

I wanted to add to your comment. When I've looked to volunteer in the past I've seen places that ask for a 6+ month commitment because bringing someone up to speed sucks up resources (not unlike training a new employee). Other times I've shown up early and you see how much wrangling is needed to organize volunteers. Volunteer labor can often be a resource suck whereas money is money.