Use plugins like Prettylink to manage your affiliate links a lot easier. There, you can also track both total clicks and unique clicks on the links. In there, you can also set your links to nofollow, so they wont pass any link juice, which make inbound links essentially more powerful (debate me on this, anyone
If you have no operators to work with once you launch, it could be a good idea to add some anyway, but with the normal url, until you can replace them with the "real" partners. Since it's a newly launched site anyway, there chances of you sending any FTD's is too low anyway.
Signal to Google that you are actually comparing casinos rather than having a comparison website without any casinos could be bad practice.