The method works if you have a serial number
Lets go
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1.Go to the GoPro official website and open Live chat
2.Tell support that u'r gopro doesn't turn on(they will ask serial number )
3. They will ask you to take some steps to fix it ,but pretend that nothing helps
4.After they ask about receipt,tellthis is a gift )
5.They will say that they can't replace the camera,because there is noreceipt
6.But they will offer you 20% discount for the next product(but you tell tham that is so small discount and you would like to get camera)
7. They will tell you that it is inpossible without recept and offer you 40% or more discount
8. I quickly found a dude who must buy GoPro
9.Profit ?
10. 150$ profit
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Do not judge strictly,I just had free 30 minutes and made myself 150$
Enjoy-------------------------------------------------------------------------------------------------------------