some account closure fee usually, <$100, not %

the answer above on 6th floor is more complete. here i make some additions to my previous post

1. open account - usually free (this is what i meant earlier)

2. trading fund / stock - depends on the broker commission schedule

3. yearly maintainance fee - depends on the broker service charge schedule

4. account closure fee - usually some charge, check the brokder service charge schedule