For example if a sites on poker it has poker ads what topic earns the most per click im looking to earn $1 per click with a site!
Arcades FTW! Ohh wait you said 1$ per click not 10000 clicks for 1$ lol I'm just messing with you. Insurance is always a good way to go price wise.
Be aware that chasing a high-paying keyword/topic often does not work. Unless you are truly able to make a high-quality site with good, value-added info on the subject, Google may view your site as just 'spam' or MFA and you risk being banned. I always recommend making a quality site, with quality information, regardless of the topic. Do your best to optimize your content within that subject/niche, but keep it on target with information you can really provide. IMHO if you go this route you will have better long-term success.. Of course YMMV and this is just my opinion..
Eaxctly, you WILL NOT succeed in a niche you are not knowledgable or passionate about, as there will be people who will be interested and produce great content and keep people coming back.
You can make a site with high paying keywords but think about it, there are already thousands of people who are doing the same. So, what is the odd that your website will get visitors and you will make good money from Adsense. Only showing high paying ads on your site won't give you any revenue, will it? You need traffic and clicks. For that you need something that most people are interested in and most people want to read.
Lawyer niches probably carry the most per click. You will not be successful in making a site that you have no interest in but just want to earn some money from high paying keywords.
The problem with building sites and pages around high-paying keywords is that there is so much competition. Think about it, the reason the ads are high-paying is because there is so much competition. The company that places the ad is competing with your site for the same keywords. If you build a site for high-paying keyowrds such as "auto insurance," guess who's sites are going to appear first in organic search results, yours or Geico's? When you build sites or pages around high-paying keywords, you have to get traffic. Since you are in such high competition with others for the same keywords, be prepared to spend money stealing traffic away from the professionals. Life is hard, getting traffic for high-paying keywords is harder.
no need to worry about that.....just have your good content...and blacklist few sites that give less $$ (google regarding it)
using adsense on poker site means that you are inviting adsense to ban you it's not allowed to use adsense on poker sites
On the really high-paying niches, there are super-clever guys out there who have been doing this for years, and they spend lots of $$$ to make sure they stay on top. So, if you can beat them - go for it.
Good content site is the best to earn from Adsense. Even if you have high pay keywords still don't get much traffic, then no one knows you site.