BCH - HODL. It has a noticeable userbase who support larger blocks and hard fork alterations to the code. They're continuing to develop the coin according to those beliefs. It's worth keeping to see how that turns out.
BTG - do not HODL. It's hugely premined and was not prepared before the fork. Bittrex gave us reasonable warnings about the stupidity of it. It's worth selling.
Meanwhile, it's always worth HODLing some fiat.
You didn't make this thread self-moderated, but to abide by your rules: HODL, HODL.
And why hodl some flat? whut dat? Look, no way you a worser trader than me....