No.
Some people will use the method of loading Apps that would otherwise cost money on their iDevice for free as a method of testing the app in order to see if it will work for them (since there are no trials on the App Store), but this technically is illegal. Keeping them for free without paying the author is also illegal.
Jailbreaking is LEGAL in America. If you just download themes and cydia apps, it is legal. Cydia can be used in illegal ways by adding sources and downloading apps from sources other than the ones already installed on cydia. Not all sources are illegal, but alot are.
No. Most are free, but there are definitely some that cost money.
If you jailbroke it by using cydia all the apps and cydia apps will get deleted
because you need to reinstall cydia
No. The majority of apps on there are free but there are some from top developers that cost money.
No, You can only choose between Paypal or Amazon
how can i
Yes, many Cydia apps or packages are free. You can simply download them from Cydia. Others must be purchased. To pay for Cydia apps you will need either a PayPal or Amazon account.
If they are apps downloaded from cydia, then no, because cydia apps don't sync with iTunes.
no
Yes they are
Hi! When you jailbreak your iPhone you get a program called Cydia. If u used Cydia then from Cydia u can download Installous and it will let u get free cracked apps