[siquick]

>>Don't start with Ads prematurely. No matter what the platform is. The don't pay initially and will cost you a lot.

If you're still in the validation stage and want to identify if you do have an idea that people want and can iterate fast, then ads are a surefire way to get people to your site (as long as you're targeting the right people).

[anacleto]

Yes, you can but they can cost you a lot (~2.5$/click on avg on Adwords, and $7/click on Linkedin) and you might want to find other ways to achieve the same result.