Check out "The Hook Up" on YouTube. He has tested pretty much every projector on Amazon at this point.
Here's his "under $100" video: https://youtu.be/2QOLL2TvpJ0
Here is an alternative Piped link(s): https://piped.video/2QOLL2TvpJ0
Piped is a privacy-respecting open-source alternative frontend to YouTube.
I'm open-source, check me out at GitHub.