it is hard to tell because all forks doesn't have to be like each other and certainly all of them don't have the same result.
positive:
you are investing in bitcoin!
you may get the forked coin and make additional profit
price of bitcoin may go higher after the fork and you miss out if you haven't bought before it
you are investing in bitcoin!
not all people have the funds to invest in bitcoins.
you may get the forked coin and make additional profit
not all can get their forked coin unless they have their bitcoins on a supported exchange or wallet that has their own private keys.
it is hard to tell because all forks doesn't have to be like each other and certainly all of them don't have the same result.
no, not really because forks are mean to work that way and that is their nature , so it will probably has the same result as the past.
price of bitcoin may go higher after the fork and you miss out if you haven't bought before it.
i dont think so, price will likely to decrease after the fork has been activated because majority of people will just selling off their bitcoins and also their bitcoin gold and this will greatly affect the value of bitcoin and may tend to go down or decrease.