If you are looking for passive income than just go with

Crown Systemnodes. ($crw) ~750$
- strong fundamentals
- solid ROI: ~34% per year

Zcoin Masternode. ($zoin) ~44k$
- good fundamentals
- ROI: ~25% per year

Zoin Masternode. ($zoin) ~57k$
- good fundamentals
- ROI: ~24% per year