Get it simple and fast.
Buy NODE FULL:
Price for 1 MN: 0.10BTC
* Buy 1 MN and receive 300 BULP BONUS
* Buy 2MNs and receive 1 MN BONUS
* Buy 3MNs and receive 2 MN BONUS
Buy Pack Stake:
Price Pack: 0.01BTC
100BULP and earn 20BULP
Price Pack: 0.05BTC
500BULP and earn 120BULP