A Tier One Masternode is 500 HALO, but you can also buy into a shared public Tier One for as little as 10 HALO. Your returns are proportional to how many shares you have of the Masternode. Their are 4 different Tiers for masternodes. Tier 1 is the least expensive. Good luck!
RE: Halo Platform is Live and Already Faster Than EOS.