When you click on Withdrawal in Paypal, it will tell you how many days it will take. For me in Singapore, it takes about 5 working days
1 G6305 train, departing at 09:00 and arriving at 09:30, 30 minutes' duration, from Guangzhou South Railway Station to Shenzhen North Railway Station.  You are recommended to choose a train for which you can arrive at the train station 2 hours before its departure.
Look on the Barcelona metro map where to connect to L9. Another rail option is the R2 Nord train - but there are only two R2 train departures per hour from the center, so the R2 train can take longer than the airport buses or taxis - and the R2 train only goes to T2 terminal.