I watched this video
https://www.youtube.com/watch?v=QDkvo3c11yc
A gigachad bought the same Lamy's voice 21 times

If you truely want to support your oshi, buy their merch instead superchat or membership something
Because Youtube takes your money much
Not only Youtube, the companies, tax, etc.
Even if you throw aka supa, your oshi will get very few money
The best way is buying voices. It's low cost, and no need for control of goods in stock

Sorry for my bad English
I just wanted to tell the secret(?) technique