There are a lot of people that say that AdSense pays pennies. This is fine - let them say this as that means there is more income for those who are prepared to make it work for them. And it does take a bit of work.
It will take a lot of work if you don't know what you are doing. But if you research well and get the right information you will be able to make some cash relatively quickly and once you have set it up be able to get some passive income for months if not years.
Did you know you can set this up totally free? There are plenty of places you can create a website for free including even Google itself. Go and check out their page creator. If you have a Google account - which is free, you can set up a website using their page creator program.
This is just one example of how you can start making money online totally free. There are numerous websites around where they allow you to create your own web pages. If you are really serious about making some good money from AdSense then you should consider buying your own domain and learning html to set up your own website. This really is quite easy and there is a lot of information online to help you.
The advantages of this is that you get more control over what you create and you should be able to tailor your website more accurately. However, this is definitely not essential. Once you decide you want to make money online, you need to choose a niche. If you are going to target AdSense as your money making scheme, then the niche you choose is critical to your success.
Some niches just don't pay well. You would need significant traffic to make any good money from a niche that doesn't pay well and traffic takes a lot of work. So ensure you do your research and choose carefully.
For example, a tattoo niche is a low payer, where a credit card niche is a high payer. Just remember though you need to be able to produce content about your niche so you should also choose a niche that you have an interest in. You will need to write plenty of content about your niche.