No, they will not charge you for apps if you don't opt in to buy them.
Yes visit the apple website for more info on buying apps I forgot the link to the post about apps :/
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No, you can own an iPad without an Apple account. You will not be able to purchase apps from the Apple app store without an account. Most people charge the purchase of apps to a credit card, but you can use iTunes gift cards to purchase apps if you do not have a credit card.
personnally yes. If you plan on using it a lot and buying apps then yes yes yes
Only apple phone, that's the whole point of apple apps
The apps from the Apple Store will only work with Apple's iPhone and iPod Touch.
Apple does not give you money to buy apps but many apps are free.
there many free apps and yes there are
Apple don't come downloaded with any apps, you have to download them.
Apple gets a 30% cut from PAID apps in the App Store
apple create the apps on iPhone
No it can not.