To add this, you can only get those BCH if and only if you control the private keys or recovery seed of that wallet. Though most of the exchanges supported the forked coin but there are some who didn't.
To further add 
Before claiming any fork coin, make sure you move your Bitcoins to a freshly generated private key, then wait for a few confirmations so that you know your funds are safe and sound. Most clients of altcoins such as BCash and BSV are not even remotely close to safe compared to the main Bitcoin clients. Better safe than sorry.
The smart move would be to invest in both coins. BCH is still performing very well and it is easier for lower marketcap coins to pump because of the lower economic mass. It is even more volatile than Bitcoin, it already did a 6x from the yearly low while bitcoin only did a 4x.
Investing in a scam coin such as BCash is smart? If you're out to book gains, go for an even lower cap altcoin, because by your logic it will pump even harder.