What's the best tool to build a landing page, showcase some of your product, collect emails to validate demand? I know there are a million tools, and the urge to build the page myself is strong but I just want to spend as little time and effort as possible on this and am hoping someone on here has the solution for me. Please share your experience. Also, if you have notes on this specific validation method, please share as well - I am not sure if landing page + email collection is the way to g...