When you install any browser (Firefox recommend) it ask you if you want to transfer browser data. It will guide you through (its pretty much automatic)
Business that changes price during contract can fuck off. It literally doesn't make sense, I signed a contract agreed to pay discussed price for the duration of the contract. If you gonna fucking change the price make it non contract where customer can leave without exit fee. This should be illegal.
I know if I'm not wrong vanced got in trouble for using YouTube logo and reverse engineering the YouTube app. Revanced technically not breaking any law as it not directly modifying YouTube like vanced.
I swear 90% of the world not aware of adblocker.