During the period you have no idea what the actual date will be. If you like to gamble, you can certainly add and subtract. You just never know if the random time it happens is the time when you have little, or a lot at that time.
Generally speaking this means it's best to have the most amount of BTS possible in your wallet at the time of the sharedrop.

There are many communities to consider. Bitshares is a good place to start. Many of them are conveniently right here already. Check out #bitshares.