1) The buyer can't dispute if he sent the payment as friends or family.
2)yes you are right but i'm new here.
This is not true. I have had a few payments that were sent to me as Friends or Family that have been disputed and withdrawn from my account. I dont know where you got that info from, but it absolutely is possible to have FF payments charged back on PayPal.
a paypal employee says that paypal payments sent as friends or family can't be disputed .