bitcoin is nice because, unlike paypal, you don't get locked out have have to verify your phone and email and shit like that. as long as you have the private keys, you can spend anywhere
Also unlike PayPal a transaction takes a few hours instead of a few seconds. Wait, that's not a good thing...
It is instantaneous depending on which platform you are using. Maybe you should bother looking into it.
Platform? Bitcoin is bitcoin, either you use a different crypto (in which case we're no longer talking about bitcoin) or you're using some fluff on top (in which case we're also no longer talking about bitcoin). Have a look at this graph to understand why bitcoin doesn't work as transactional currency https://blockchain.info/charts/avg-confirmation-time
I think he meant how many confirmations they want, 0 confirmations is instant, also unlike paypal you won't get charge-backed.