Just my opinion
APPROX. 3000 SPS = 1 VOUCHER
1 SPS = 0.33 USD (lets just say 0.33 usd rate)
3000 SPS X 0.33 USD = 990 USD
1 voucher = 990 USD
1 pack is 4 USD
so 990 USD + 4 USD = 1 pack = 1000 USD or more
ROI !!! ow yeah
am i right?