Yes.
You have to pay for the internet ona psp. Internet is rarely free for any application. However, it may be cheaper on a psp as opposed to a home computer network system.
The PSP can check your email and browse the internet with it's wifi capailities.
Yes The PSP has Wifi. this means you can access the Internet through a wireless router. But, the Internet is slow and you may not be able to access sites such as Youtube.
You can't, your psp comes with the ability to access the internet if there is a wireless modem close by or something, but you can't ever download the internet onto your psp.
You need internet access; you need to download them from the PlayStation Store.
# NO OK # NO # NO # MAYBE.. # HEK NO
Not as far as I know.
no you just log in to an internet connection and your good to go
Yes, in most cases, you have to pay for internet access from a service provider in order to use the internet.
You cannot get youtube access from the psp internet. You can visit the site, but cannot watch any videos. This is becuase psp doesn't have Adobe Flash, and you can't download it.
To get access to the internet on your PSP, you will need access to a WIFI connection. This can either be from your homes router, or free one in a cafe. Then, head to the Settings in your PSP, Network Settings, Infrastructure Mode, New Connection, Scan and then select the correct wifi connection. Enter the password if require and your PSP will then attempt to connect to the internet.