Step1-Create a paypal account 

Step2-Add money to account (trade btc for pp ect.)

Step3-Head to bitskins.com

Step4-Click on balance, add credit, and add as much as you want (not recommended for more than $100)

Step5-Select g2a pay (must do! - not paypal via bitskins)

Step6-Go through with the transaction

Step7-Head to paypal

Step8-Click on transaction and click resolution center.

Step9-Create a dispute, saying you never recieved your item.

Step10-After the retards at g2a don't respond, escalate the claim to paypal

Step11-Get money back