Many practice boosting with likes. But I am more careful about it. And I still prefer natural boosting, not using purchased likes.
It is also worth understanding that for promotion you can use a lot of free functionality of various topics and directions. For example, I used free programs that were written about in
https://gyre.pro/blog/top--websites-with-free-sound-effects they help me work and process audio tracks. That's what you should pay attention to.