Hey Smileyology
Interesting field you are researching.
Do you know the working of a Masternode? If not I would recommend you reading up on it. It gives a better perspective on which Masternodes are worth to buy.
The following websites gives a good indication of the price and ROI of several Masternodes:
https://masternodes.onlineAt the moment I would personally recommend Lapo and the LAPO blockchain. Collect a total of 1.000.000 LAPO and you can start a MN:
https://lapo.io