PTC are small ads that you earn $0.001 by clicking, it’s a arbitrary amount of ads per day, some days 15, some days 1.
You will find your PTC ads here.
You will see your PTC info in the “member overview” and it will look great like.
It will take you 1000 clicks to earn $1, though it’s “free money” and lite rally takes 2 seconds to do. You can right-click these ads -> open in new tab/window and as such, open all of them at once.
Your PTC earnings are added to Re-Purchase.