CPA/PPD YT - Mass upload or every video only once?

Some people have been telling to upload every niche video only once, because it would be "time wasting" to upload the same video more and start with the next video.

Some others said to upload the same video in masses, which would be better, so if youtube deletes one the others still remain.

Also, is it worth to boost the own video with a bot till it reaches 301+ views?

Hope you guys can give me some advice.

When you mass upload, youtube deletes all the videos, not only 1
If you have unique videos you manually created then yes you can boost it to 301+ views but don't over do it