My website is LetsHide.com and adsense didn't accept me for their program. Why so? What did I do wrong? Should I take my bidvertiser advertisements away for the moment and see, if they accept me after that? Is it allowed to have advertisements at the moment when you're applying on Adsense.
Create a different site with more content and make sure you don't have any broken links and stuff, details outlined in the link Mis_Chiff posted for you and then apply again.
What you could do is to apply for a Adsense account when you opened a Blogger.com account and created a blog which will certainly get you in the program IF you follow the guidelines for which your website/blog needs to comply with.
Then you can use your Adsense code on other sites including letsHide.com
But do contact Adsense support to verify if everything is all right on the LetsHide site to prevent being banned should there be something that causes issues.
The usage of ads as you implement them now is a bit excessive and with using Adsense a bit counter productive should you follow the same approach.
It's also not allowed to have more then three textual ad units on one page.
Just a FYI reminder should you not be aware of this.
You had Bidvertisers ads on the website while applying? I think that was the reason for rejection because they don't allow ads similar to theirs on publisher's websites.
I checked out your site and I saw adsense adds on your website. So I'm thinking they took ya! congrates! now you can join the new way to make money! best of luck!