Product without a Squeeze Page. Does it going to work?
Without a landing page. It is almost impossible to get sales.
A squeeze page is a necessary element. People are never going to trust your product if they don't see any landing page.
5 Squeeze Page Tricks Have Helped Me Get Up To 58.6% Opt-In Rates: <!-- m --><a class="postlink" href="https://goo.gl/DV9pkm">https://goo.gl/DV9pkm</a><!-- m -->
I am not saying that its impossible but in 99% case your product will not get sales if a squeeze page is not present.