Once you have built up your email list, you can start promoting offers via email. And when I say “built up,” I mean one person will do! Get used to sending emails to your readers, and make sure you create a relationship with them before you start to promote offers. You don’t want to come across like that person that only cares about making a sale! Be genuine, share tips and only promote when there is an honest offer that will fit your audience.
Showing the wrong price is a violation of Amazon’s terms and conditions. As you know, the price in Amazon, so it’s a good practice not to share the amount on your site. If you can maintain the update, then there’s no obligation. But, the question is how would you get your website updated especially when there’s a ton of links. Don’t risk including the price unless you’re able to connect Amazon’s API for an instant update.

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In fact, many don't even accept you as an affiliate unless you have an established website and a large audience.