First of all be sure to use the same account your planning on using for Planetside 2 obviously
Not sure why this works but it gave me 170 SC just for logging in to these kids games on SOE websites
https://www.clonewarsadventures.com/
and
http://www.freerealms.com/
I was told by my little brother to login and download the clients (and create a character on one of them) because he said they would give me some free station cash, i was very hesitant in believing him. But sure enough, it works!