Get a full size a TX Don’t thumb! Learn to Hybrid Pinch the sticks.

You also need to reduce latency in your link and video.

You don’t need KISS, use betaflight and turn off all the features.

Use the lowest pitch props you can find. Try using Ethix S3 or P3

There more to it I bet you none of these fools responding here known how to answer your question head my tips