Masternodes can be launched independently, but in this case, you will have to monitor its performance, server and other details around the clock. If a node goes offline, after recovery it will be at the end of the reward queue.
What to do after purchasing a masternode?
Relax. Ideally, forget about the investment for at least a couple of days and stop checking the courses every five minutes. The service is automatic, the network operates in strict accordance with the code.